The Greeks possessed a knowledge of human nature we seem hardly able to attain to without passing through the strengthening hibernation of a new barbarism.

Education can counteract the natural tendency to do the wrong thing, but the inexorable succession of generations requires that the basis for this knowledge be constantly refreshed.

But now with the living conditions deteriorating, and with the sure knowledge that we are slated for destruction, we have been transformed into an implacable army of liberation.

Knowledge fills a large brain it merely inflates a small one.

An humble knowledge of thyself is a surer way to God than a deep search after learning.

International relationships are preordained to be clumsy gestures based on imperfect knowledge.

People of small caliber are always carping. They are bent on showing their own superiority, their knowledge or prowess or good breeding.

The ordinary American - as far as I can tell - knows so much less than he did fifty years ago and has such poor work habits compared with fifty years ago that the average multiplicand of knowledge/capabilities is a much smaller number than it was in 1961.

Science is the knowledge of consequences, and dependence of one fact upon another.

I believe patriotism comes from the heart. Patriotism is voluntary. It is a feeling of loyalty and allegiance that is the result of knowledge and belief.