Fyodor Dostoevsky 
The Brothers Karamazov 

The Brothers Karamazov is a spiritual drama of moral struggles concerning faith, doubt, judgment, and reason, set against a modernizing Russia, with a plot developing around the subject of patricide. It is a passionate philosophical novel entering deeply into the ethical debates of God, free will, and morality. The Brothers Karamazov is recognised universally as one of the supreme achievements in world literature.