It is easy to say something new, if all senses one will eschew. But hardly ever is found, that the new is also sound.

Blind belief in authority is the greatest enemy of truth.

I see in Nature a magnificent structure... that must fill a thinking person with a feeling of humility.

The formulation of the problem is often more essential than its solution, which may be merely a matter of mathematical or experimental skill.

We must learn the difficult lesson that the future of Mankind will only be tolerable when our course, in world affairs as in others, is based upon justice and law rather than the threat of naked power.

Though our conduct seems so very different from that of the higher animals, the primary instincts are much alike in them and in us.

The same thinking that has led you to where you are is not going to lead you to where you want to go.