We must see whether the same clock with weights will go faster at the top of a mountain or at the bottom of a mine; it is probable, if the pull of the weights decreases on the mountain and increases in the mine, that the earth has real attraction.

Consistency is the foundation of virtue.

Be so true to thyself, as thou be not false to others.

O life! An age to the miserable, a moment to the happy.

There is no great concurrence between learning and wisdom.

The zeal which begins with hypocrisy must conclude in treachery at first it deceives, at last it betrays

All good moral philosophy is ... but the handmaid to religion.