So I'd be quite happy to have a three-hour Lincoln-Douglas-style debate with Barack Obama. I'd let him use a teleprompter. I'll just rely on knowledge. We'll do fine.

Ignorance is never better than knowledge.

It is becoming clear that the old platitudes can no longer be maintained, and that if we wish to improve our morals we must first improve our knowledge.

A man acquainted with history may, in some respect, be said to have lived from the beginning of the world, and to have been making continual additions to his stock of knowledge in every century.

Scholastic learning and polemical divinity retarded the growth of all true knowledge.