Instead of casting away all our old prejudices, we cherish them to a very considerable degree, and, to take more shame to ourselves, we cherish them because they are prejudices; and the longer they have lasted and the more generally they have prevailed, the more we cherish them. We are afraid to put men to live and trade each on his own private stock of reason; because we suspect that this stock in each man is small, and that the individuals would do better to avail themselves of the general bank and capital of nations and of ages.

You can never plan the future by the past.

To read without reflecting is like eating without digesting.

What shadows we are, and what shadows we pursue!

When any work seems to have required immense force and labor to effect it, the idea is grand.

Falsehood is a perennial spring.

It is better to cherish virtue and humanity, by leaving much to free will, even with some loss of the object , than to attempt to make men mere machines and instruments of political benevolence. The world on the whole will gain by a liberty, without which virtue cannot exist.