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.

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

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

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

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

Just like a turtle, we only make progress if we stick our 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.