War does not determine who is right - only who is left.

Science may set limits to knowledge, but should not set limits to imagination.

No man can be a good teacher unless he has feelings of warm affection toward his pupils and a genuine desire to impart to them what he believes to be of value.

The resistance to a new idea increases by the square of its importance.

Almost all education has a political motive.

This idea of weapons of mass extermination is utterly horrible and is something which no one with one spark of humanity can tolerate.

The military superiority of Europe to Asia is not an eternal law of nature, as we are tempted to think, and our superiority in civilization is a mere delusion.