Behold the turtle. He makes progress only when he sticks his neck out.

There is only one proved method of assisting the advancement of pure science-that of picking men of genius, backing them heavily, and leaving them to direct themselves.

The dignity of man is vindicated as much by the thinker and poet as by the statesman and soldier.

... scientific research is compounded of ... empirical procedures, general speculative ideas, and mathematical or abstract reasoning.

Behold the turtle. He makes progress only when he sticks his neck out.

Behavior which appears superficially correct but is intrinsically corrupt always irritates those who see below the surface.

Each honest calling, each walk of life, has its own elite, its own aristocracy based on excellence.