Firstly I believe that prayer can change God's mind. Like when Moses asked God to not smite the Israelites. But when can our prayers change the will/mind of god? I believe we have to pray that ...
In John 14:13-14, Jesus says the following to his disciples: And I will do whatever you ask in My name, so that the Father may be glorified in the Son. You may ask Me for anything in My name, ...