The best brains of the Nation may be found on the last benches of the Classroom
You cannot conquer a free man. The most you can do is kill him.
Rationality attracts conscientious humans, whereas mysticism attracts fools.
I think it is a mistake to judge science by Nobel Prizes.
The only true wisdom is in knowing you know nothing.
You can never be overdressed or overeducated.
Never memorize something that you can look up.
Maybe true travel is not the transportation of the body, but a change of perception, renewing the mind.
Man once surrendering his reason, has no remaining guard against absurdities the most monstrous, and like a ship without rudder, is the sport of every wind.
If one devalues rationality, the world tends to fall apart.