The law always limits every power it gives.

Disbelief in futurity loosens in a great measure the ties of morality, and may be for that reason pernicious to the peace of civil society.

Riches are valuable at all times, and to all men, because they always purchase pleasures such as men are accustomed to and desire; nor can anything restrain or regulate the love of money but a sense of honor and virtue, which, if it be not nearly equal at all times, will naturally abound most in ages of knowledge and refinement.

The Crusades - the most signal and most durable monument of human folly that has yet appeared in any age or nation.

An infinite number of real parts of time, passing in succession, and exhausted one after another, appears so evident a contradiction, that no man, one should think, whose judgement is not corrupted, instead of being improved, by the sciences, would ever be able to admit of it.

We may well ask, What causes induce us to believe in the existence of body? but 'tis vain to ask. Whether there be body or not? That is a point which we must take for granted in all our reasonings.

Be a philosopher but, amid all your philosophy be still a man.