When we see a man with bad shoes, we say it is no wonder, if he is a shoemaker.

We have no participation in Being, because all human nature is ever midway between being born and dying, giving off only a vague image and shadow of itself, and a weak and uncertain opinion. And if you chance to fix your thoughts on trying to grasp its essence, it would be neither more nor less than if your tried to clutch water.

The profit we possess after study is to have become better and wiser.

Since philosophy is the art which teaches us how to live, and since children need to learn it as much as we do at other ages, why do we not instruct them in it? .. But in truth I know nothing about the philosophy of education except this: that the greatest and the most important difficulty known to human learning seems to lie in that area which treats how to bring up children and how to educate them.

A learned man is not learned in all things; but a sufficient man is sufficient throughout, even to ignorance itself.

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.

Traveling through the world produces a marvelous clarity in the judgment of men. We are all of us confined and enclosed within ourselves, and see no farther than the end of our nose. This great world is a mirror where we must see ourselves in order to know ourselves. There are so many different tempers, so many different points of view, judgments, opinions, laws and customs to teach us to judge wisely on our own, and to teach our judgment to recognize its imperfection and natural weakness.