The noblest pleasure is the joy of understanding.

Also found in:

The deeper the feeling, the greater the pain.

Learning never exhausts the mind.

A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.

For once you have tasted flight you will walk the earth with your eyes turned skywards for there you have been and there you will long to return.

Any fool can know. The point is to understand.

The most effective way to destroy people is to deny and obliterate their own understanding of their history.

Anyone who holds a true opinion without understanding is like a blind man on the right road.

Half of the fun of travel is the aesthetic of lostness.