We are too feeble and sluggish to make our way out to the upper limit of the air. If someone could reach the summit, or put on wings and fly aloft, when he put up his head he would see the world above, just as fishes see our world when they put up their heads out of the sea; and if his nature were able to bear the sight, he would recognize that that is the true heaven.

To think truly is noble and to be deceived is base.

Those who practice philosophy in the right way are in training for dying and they fear death least of all men.

No attempt of curing the body should be made without curing the soul

I do believe that there are gods, and in a far higher sense than that in which any of my accusers believe in them.

The wolf cares not, how many the sheep be.

The most effective kind of education is that a child should play amongst lovely things.