Wisdom alone is true ambition's aim, wisdom is the source of virtue and of fame obtained with labour, for mankind employed, and then, when most you share it, best enjoyed.

Art attracts us only by what it reveals of our most secret self.

Philosophy begins in wonder. And, at the end, when philosophic thought has done its best, the wonder remains.

It is the business of the future to be dangerous and it is among the merits of science that it equips the future for its duties.

The art of progress is to preserve order amid change and to preserve change amid order.

True courage is not the brutal force of vulgar heroes, but the firm resolve of virtue and reason.

Not ignorance, but ignorance of ignorance, is the death of knowledge.

An enormous part of our mature experience cannot not be expressed in words.

Art is the imposing of a pattern on experience, and our aesthetic enjoyment is recognition of the pattern.

It is the business of the future to be dangerous and it is among the merits of science that it equips the future for its duties.