He who has imagination without learning has wings but no feet.
When credulity comes from the heart it does no harm to the intellect.
There was a time when the world acted on books; now books act on the world.
There is in the soul a taste for the good, just as there is in the body an appetite for enjoyment.
Space is to place as eternity is to time.
A thought is a thing as real as a cannonball.