"Men are deceived if they think themselves free, a belief that consists only in this, that they are conscious of their actions and ignorant of the causes by which they are determined."

"The human mind cannot be absolutely destroyed with the body, but something of it remains which is eternal."

"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."

"Emotion, which is a passion, ceases to be a passion as soon as we form a clear and distinct idea of it."

"Blessedness is not the reward of virtue, but virtue itself."