Science emerges from the other progressive activities of man to the extent that new concepts arise from experiments and observations, and that the new concepts in turn lead to further experiments and observations.

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

Therefore, a grotesque account of a period some thousands of years ago is taken seriously though it be built by piling special assumptions on special assumptions, ad hoc hypothesis [invented for a purpose] on ad hoc hypothesis, and tearing apart the fabric of science whenever it appears convenient. The result is a fantasia which is neither history nor science.

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

Science emerges from the other progressive activities of man to the extent that new concepts arise from experiments and observations, and that the new concepts in turn lead to further experiments and observations.

Every vital organization owes its birth and life to an exciting and daring idea.

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