"The greatest event of recent times — that 'God is dead,' that the belief in the Christian God has become unbelievable — is already beginning to cast its first shadows over Europe."

"Of all that is written I love only what a man has written in his own blood."

"A man who has a 'why' to live, can bear almost any 'how'."

"I assess the power of a will by how much resistance, how much pain, how much torture it endures and knows how to transform to its advantage."

"I assess the value of a man by how much he can endure without falling apart."