Education is what is left after all that has been learnt is forgotten.

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

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

Some of mankind's most terrible misdeeds have been committed under the spell of certain magic words or phrases.

In every section of the entire area where the word science may properly be applied, the limiting factor is a human one. We shall have rapid or slow advance in this direction or in that depending on the number of really first-class men who are engaged in the work in question. ... So in the last analysis, the future of science in this country will be determined by our basic educational policy.

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.