Leisure is the mother of philosophy.
Nearly all legislation involves a weighing of public needs as against private desires; and likewise a weighing of relative social values.
Enjoy present pleasures in such a way as not to injure future ones.
Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.
The deepest sin against the human mind is to believe things without evidence.
A happy life consists in tranquillity of mind.
Believe nothing against another but on good authority; and never report what may hurt another, unless it be a greater hurt to some other to conceal it.
The way to combat noxious ideas is with other ideas. The way to combat falsehoods is with truth.