“Sell your cleverness and buy bewilderment.”

If you know the enemy and know yourself, you need not fear the result of a hundred battles.

If a problem has no solution, it may not be a problem, but a fact — not to be solved, but to be coped with over time.

Brevity is the soul of wit.

Bigotry tries to keep truth safe in its hand with a grip that kills it.

Unhappy the land that is in need of heroes.

Don't let me catch anyone talking about the universe in my department.

In the kingdom of the blind, the one-eyed man is king.

One thing is certain, and the rest is lies; the flower that once has bloomed forever dies.