There are some duties we owe even to those who have wronged us. There is, after all, a limit to retribution and punishment.

That which is usually called dotage is not the weak point of all old men, but only of such as are distinguished by their levity.

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. . . ."

Action is the language of the body and should harmonize with the spirit within.

We must not say that every mistake is a foolish one.

They condemn what they do not understand.

Vivere est cogitare. (To think is to live)