There is a certain virtue in every good man, which night and day stirs up the mind with the stimulus of glory, and reminds it that all mention of our name will not cease at the same time with our lives, but that our fame will endure to all posterity.
I speak of that learning which wakes us acquainted with the boundless extent of nature, and the universe, and which even while we remain in this world, discovers to us both heaven, earth, and sea.
I know that it is likely that as worship of the gods declines, faith between men and all human society will disappear, as well as that most excellent of all virtues, which is justice.
The most evident difference between man and animals is this: the beast, in as much as it is largely motivated by the senses and with little perception of the past or future, lives only for the present. But man, because he is endowed with reason by which he is able to perceive relationships, sees the causes of things, understands the reciprocal nature of cause and effect, makes analogies, easily surveys the whole course of his life, and makes the necessary preparations for its conduct.
As fire when thrown into water is cooled down and put out, so also a false accusation when brought against a man of the purest and holiest character, boils over and is at once dissipated, and vanishes.
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. . . ."