That he who hath the loan of money has not repaid it, and he who has repaid has not the loan; but he who has acknowledged a kindness has it still, and he who has a feeling of it has requited it.
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. . . ."
...the counsels of the Divine Mind had some glimpse of truth when they said that men are born in order to suffer the penalty for sins committed in a former life.
It is a man's own dishonesty, his crimes, his wickedness, and boldness, that takes away from him soundness of mind; these are the furies, these the flames and firebrands, of the wicked.
The name of peace is sweet, and the thing itself is beneficial, but there is a great difference between peace and servitude. Peace is freedom in tranquillity, servitude is the worst of all evils, to be resisted not only by war, but even by death.
Not to know what has been transacted in former times is to be always a child. If no use is made of the labors of past ages, the world must remain always in the infancy of knowledge.