Work makes a callus against grief.

We must not only obtain Wisdom: we must enjoy her.

We should not be so taken up in the search for truth, as to neglect the needful duties of active life; for it is only action that gives a true value and commendation to virtue.

There is no opinion so stupid that it can't be expressed by some philosopher.

I wonder that a soothsayer doesn't laugh whenever he sees another soothsayer.

Always the same thing.

The following passage is one of those cited by Copernicus himself in his preface to De Revolutionibus: "The Syracusan Hicetas, as Theophrastus asserts, holds the view that the heaven, sun, moon, stars, and in short all of the things on high are stationary, and that nothing in the world is in motion except the earth, which by revolving and twisting round its axis with extreme velocity produces all the same results as would be produced if the earth were stationary and the heaven in motion. . . ."