Is there any verse in Bible that says something about being a vegetarian or non-vegetarian? I know God set human beings above the other creatures, but what does it say about whether we can kill them?
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There are a number of verses that talk about what you should or can eat and a few of them do concern vegetarian eating. There are a number of Christian sects that even have a "health message," where they prescribe a vegetarian diet. I think the most notable one is Seventh Day Adventists, but note that the diet is a suggestion in their mind, not Biblical law.
Starting from the beginning, there is a development of what God gives mankind to eat. In the garden, God first gives the fruit of the trees and any seed bearing plant (fruits).
When Creation was completed, God gave Adam any fruit he wanted as his food, and to all the other creatures, He gave any green plant. In Genesis 2:16-17 God gives Adam every tree in the Garden and forbids that Adam should eat from the Tree of Knowledge, but that is a theological/obedience issue rather than a practical, dietary issue.
During God's pronouncements of punishments for eating the forbidden fruit, Adam is told that his food will be plants in Genesis 3:18. It's a bit ambiguous, but we can assume that it means all plants, like the animals were first given.
After the fall we see an interesting development. The people became farmers and kept flocks.
It also seems to have been permitted as well, that they should keep flocks, and, we assume, eat their meat, but that may be too hasty.
After Noah and his family survive the Flood, we see God allow animal flesh eating with only two prohibitions:
Now God has given everything to eat, except blood and other people (that is in following verses and I left it out because you don't usually need to convince people that cannibalism is wrong).
This leaves a few questions about the previous verses. The first is did they (the righteous) actually eat meat before the Flood? We know they tended flocks, but they also sacrificed. It is possible that they only tended flocks for the sacrifice. The second question is when exactly did God give them the green plants? The earliest hint at this is after the fall in Genesis 3:18 and Genesis 4:2. God says plants will be your food, then Cain worked the soil later, which we assume means farming fruit and vegetables.
Some sects use the following verses and logic to support that vegetarian eating is better for you. Though that may be true, I think you would be hard pressed to say that the Bible commands a vegetarian diet, and I have never heard of a group that says it does, though, I do know that the SDA say it is encouraged.
There is another interesting story concerning food and vegetarian diets. Daniel 1 details a story where Daniel, a young man, was taken captive because he was intelligent, young, and handsome, and was given food from the royal table. Daniel saw this as an abomination, likely because the meat of that table included animals sacrificed to idols and might also have included blood. So Daniel asks his overlord to give him and the other servants only vegetables and water for 10 days and see if they are not healthier than the others.
Some groups, like the SDA, point to this as factual and Biblical evidence that a vegetarian diet is better for you. Others say that it was the power of God that made them healthier because they wanted to avoid the royal table because it was defiled, not simply because it had meat on it; the objection was against meat that either had blood in it or was sacrificed to idol or both. They then develop ideas like a "Daniel fast," where you eat only vegetables and water for 10 days in an effort to increase your faith and the also tend to quote Mark 7:18-19, stating that no food can defile you. It's a bit of a red herring because Christians with the health message would agree.
Whatever any Christian decides, there is one verse that cannot be more clear on this subject:
Since you did not state which denomination you'd like to find out from, I will provide you an answer from a purely sola scriptura point of view. All verse emphasis mine.
Taken wholly, the NKJV Bible does not contain the word vegetarian. However, there are a ton of verses about eating, the virtue of eating, what to eat and what not to eat. Let me give you some background in Genesis as it is the first few mentions of eating.
In the beginning, man and beasts were all vegans!
And so it was also in the Garden of Eden.
However, after Noah's flood, things changed.
Verse 4 states very clearly that none of us should eat animals that are still alive. Thus, the animals have to be killed. This is the only reason that can justify why people kill animals for food. Also, the fact that animals have to be killed for our sustenance alludes to the fact that our relationship with God is tarnished. This can be seen as in Genesis, man did not need meat. You may read this link for a detailed explanation on the need to kill animals after the fall of Adam and Eve.
Now, since that Christians are able to eat meat and vegetables now, how and what should or should we not eat? Romans 14 in the New Testament explains it very well.
You can eat according to your own freewill, as long as you give thanks to God as He made it possible for you to be where you are, eating what you eat. If your heart is convinced that you should be a vegetarian, than go ahead. The Bible does not say that you can eat only meat. However, do not judge others that do not follow your dietary rules as;
I will end this answer with the words of Jesus Christ in Mark 7.
The bible portrays that God's original perfect design for his creation included that for humans be vegetarian:
'Rule' - neither constitutes killing nor eating, but rather governing and nurturing - or to use a biblical word, being good 'stewards' of the creation. More explicitly:
A consequence of mankind's rebellion against God was a fundamental disruption of the natural order - no longer would the fruits of the soil yield up their nutrition so easily:
With an ongoing escalation of the wickedness of mankind, the creation was increasingly subjected to further frustrations of its original purpose (cf. Romans 8:20) which included amongst other things (most) people abandoning vegetarianism, with God's permission to do so. (cf. Genesis 9:3) However though God gave this concession (perhaps due to the hardness of men's hearts as he would later give a concession for divorce), some of the greatest exemplars of faithfulness towards God in the Old Testament - Daniel and his colleagues - demonstrated that not only was it possible to subsist on a vegetarian diet, but that one could thrive under God's blessing in doing so. (cf. Daniel 1)
The 'good news' part of the bible, is that God did not leave mankind and His wider creation to continue the headlong rush in to sin, futility, death and decay; but rather sent His only begotten son that not only through him, would people be forgiven their sin and restored to relationship with their Creator (cf. John 3:16-17), but that the creation itself would be completely delivered from its oppression (cf. Revelation 21:1-5). This remains a work in progress, but we can see a glimpse of God's intended state for his redeemed creation in the following prophecy of Isaiah:
i.e. Carnivorism will cease when God's purpose through the promised Messiah is completely fulfilled. In the mean time, the permissive stance towards meat-eating remains (God's priority is first to reconcile sinners to himself), but for those who have their own conviction for vegetarianism, the bible explicitly endorses that it is right for you to abide in your convictions (cf. Romans 14).
In the beginning every animal and man were all vegetarian.
All Scripture is quoted from the King James translation, unless otherwise noted.
Gen 1:29 and 30 And God said, Behold, I have given you every herb bearing seed, which is upon the face of all the earth, and every tree, in the which is the fruit of a tree yielding seed; to you it shall be for meat. 30. And to every beast of the earth, and to every fowl of the air, and to every thing that creepeth upon the earth, wherein there is life, I have given every green herb for meat: and it was so.
After the Flood; God began carnivorous animals including man.
After the Flood God set man and beasts at odds, so that they would always kill one another. We are not told why God decided to set man and the animals at odds, or even why he set man against man, but we may have some clues as to why he did this.
So God decided to destroy the Earth and all of its inhabitants.
But God decided to save Noah and enough animals to replenish the Earth.
And so it may be that due to man's ruination of the Earth that God decided to make the world a dangerous place for all of his creation, and through wariness of one another man could never again band together to ruin the Earth.
hope this helps
I don't believe in any of this stuff, but I'm willing to discuss the story. In Luke 24:41-43, the resurrected Jesus eats fish, to show that he's not a mere spirit:
This isn't a fish that he magically created, presumably never-alive. This is a regular dead cooked fish. Jesus is generally regarded as a positive example, so one might conclude that eating fish is ok.
Romans 14: 2-3 says
which is clear enough to need no commentary.
Rather than covering the same ground others have covered, I'll simply call your attention to Peter's vision in Acts 10: