Almost all the opinions we have are taken on authority and on credit.

Man (in good earnest) is a marvellous vain, fickle, and unstable subject, and on whom it is very hard to form any certain and uniform judgment.

Though we may be learned by another's knowledge, we can never be wise but by our own experience.

I do not know whether I would not like much better to have produced one perfectly formed child by intercourse with the muses than by intercourse with my wife.

There is nothing in which a horse's power is better revealed than in a neat, clean stop.

For all parts of the body that we see fit to expose to the wind and air are found fit to endure it: face, feet, hands, legs, shoulders, head, according as custom invites us. For if there is a part of us that is tender and that seems as though it should fear the cold, it should be the stomach, where digestion takes place; our fathers left it uncovered, and our ladies, soft and delicate as they are, sometimes go half bare down to the navel.

The man who thinks he knows does not yet know what knowing is