The historian must be a poet and a philosopher.

The beauty of mathematics is that it is so simple yet so powerful.

Every painting is a self-portrait, even when it's not.

Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you.

Simplicity is not the absence of complexity, but the resolution of it.