Fame alone raises herself to Heaven, because virtuous things are in favour with God.

Feathers shall raise men even as they do birds towards heaven :- That is by letters written with their quills.

You must grow in patience when you meet with great wrongs, and they will then be powerless to vex your mind.

I say that the power of vision extends through the visual rays to the surface of non-transparent bodies, while the power possessed by these bodies extends to the power of vision.

Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.

Movement will fail sooner than usefulness.

Oysters open completely when the moon is full; and when the crab sees one it throws a piece of stone or seaweed into it and the oyster cannot close again so that it serves the crab for meat. Such is the fate of him who opens his mouth too much and thereby puts himself at the mercy of the listener.