The vigour of civilised societies is preserved by the widespread sense that high aims are worth while. Vigorous societies harbour a certain extravagance of objectives, so that men wander beyond the safe provision of personal gratifications. All strong interests easily become impersonal, the love of a good job well done. There is a sense of harmony about such an accomplishment, the Peace brought by something worth while. Such personal gratification arises from aim beyond personality.

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.

We must not expect simple answers to far-reaching questions. However far our gaze penetrates, there are always heights beyond which block our vision.

Nobody has a right to speak more clearly than he thinks.

In a certain sense, everything is everywhere at all times. For every location involves an aspect of itself in every other location. Thus every spatio-temporal standpoint mirrors the world

The tragedy of the world is that those who are imaginative have but slight experience, and those who are experienced have feeble imaginations.

Art flourishes where there is a sense of adventure.