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.