"Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice."

"He who lives under the guidance of reason endeavours, as much as he can, to repay his fellow's hatred, anger, contempt, etc., with love and nobleness."

"Do not weep; do not wax indignant. Understand."

"The human mind has no free will, but is determined to will this or that by a cause which is also determined by another cause, and this again by another, and so on to infinity."

"Man, in so far as he is determined to act, is a part of nature, and is necessarily determined to do whatever he does."