They do not think, therefore they are not.

The celebrated painter Gainsborough got as much pleasure from seeing violins as from hearing them.

There are people who think that everything one does with a serious face is sensible.

A good method of discovery is to imagine certain members of a system removed and then see how what is left would behave: for example, where would we be if iron were absent from the world: this is an old example.

It is almost everywhere the case that soon after it is begotten the greater part of human wisdom is laid to rest in repositories.

The greatest events occur without intention playing any part in them; chance makes good mistakes and undoes the most carefully planned undertaking. The world's greatest events are not produced, they happen.

If all else fails, the character of a man can be recognized by nothing so surely as by a jest which he takes badly.