For once you have tasted flight you will walk the earth with your eyes turned skywards, for there you have been and there you will long to return.

The limiting surface of one thing is the beginning of another.

Threats alone, are the weapons of the threatened man.

The Medici made me and the Medici destroyed me.

A man was desired to rise from bed because the sun was already up. He replied: "If I had as far to go and as much to do as he has, I should be up by now; but having but a little way to go, I shall not get up yet."

If you cause your ship to stop and place the head of a long tube in the water and place the outer extremity to your ear, you will hear ships at a great distance from you.

Being engulfed in practice without delicate knowledge related to it, is in many ways like entering a ship without knowing where it is headed.