There will be a new man, happy and proud. Whoever doesn’t care whether he lives or doesn’t live, he will be the new man. Whoever conquers pain and fear, he himself will be God. And that other God will no longer be.’
This is their theology. it makes sense that Kirillov was made the martyr of the revolution. He wanted to fulfill their theory of the man-God through his suicide but in the end he was afraid of dying.