This question is related to the post I have asked on the Literature.SE. Yet, this question might be treated as a separate post which does not require reading the other one.
Also, I should note that I have found my way into Christianity not so long ago, thus, my question might appear to be too primitive or even gibberish. In that case (especially the latter) I would like to apologise in advance.
Hebrew 4:12 reads:
For the word of God is living and powerful, and sharper than any two-edged sword, piercing even to the division of soul and spirit, and of joints and marrow, and is a discerner of the thoughts and intents of the heart. - NKJV.
Sonya Marmeladova, obviously, engaged into sinful labour (prostitution). Her actions enslaved the hearts of her clients, even though she kept her soul pure and was sacrificing herself in order to feed her family.
Does Hebrew 4:12 justify her actions?