What is called an acute knowledge of human nature is mostly nothing but the observer's own weaknesses reflected back from others.
Education: that which reveals to the wise, and conceals from the stupid, the vast limits of their knowledge.
To be fond of learning is to be near to knowledge. To practice with vigor is to be near to magnanimity. To possess the feeling of shame is to be near to energy.
I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.