It is far more probable that our senses should deceive us, than that an old woman should be carried up a chimney on a broom stick; and that it is far less astonishing that witnesses should lie, than that witches should perform the acts that were alleged.

It is a thorny undertaking, and more so than it seems, to follow a movement so wandering as that of our mind, to penetrate the opaque depths of its innermost folds, to pick out and immobilize the innumerable flutterings that agitate it.

Men ... are not agreed about any one thing, not even that heaven is over our heads.

No man is so exquisitely honest or upright in living, but that ten times in his life he might not lawfully be hanged.

There is no virtue which does not rejoice a well-descended nature; there is a kind of I know not what congratulation in well-doing, that gives us an inward satisfaction, and a certain generous boldness that accompanies a good conscience.

So it is with minds. Unless you keep them busy with some definite subject that will bridle and control them, they throw themselves in disorder hither and yon in the vague field of imagination... And there is no mad or idle fancy that they do not bring forth in the agitation.

A wise man sees as much as he ought, not as much as he can.