The longer we dwell on our misfortunes, the greater is their power to harm us.

I know that I am intelligent, because I know that I know nothing.

Let us permit nature to have her way. She understands her business better than we do.

Trouble springs from idleness, and grievous toil from needless ease.

I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.