Man's external form, marvellously constructed, is not much as compared with the divine soul that dwells inside that structure.

Happy will they be who lend ear to the words of the dead.

I say that in narrative paintings one should mingle direct contraries close by, because they produce strong contrasts with one another, and all the more so when they are very close together; that is, the ugly next to the beautiful, the big to the small, the old to the young, the strong to the weak; in this way you will vary as much as possible and close by.

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.

The days are long enough for those who use them.

...The world wouldn't be the world, without trouble.

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.