The more clearly we can focus our attention on the wonders and realities of the universe about us, the less taste we shall have for destruction.

If a child is to keep alive his inborn sense of wonder, he needs the companionship of at least one adult who can share it, rediscovering with him the joy, excitement, and mystery of the world we live in.

I still feel there is a case to be made for my old belief that as man approaches the 'new heaven and the new earth' -- or the space-age universe, if you will, he must do so with humility rather than with arrogance.

It is a wholesome and necessary thing for us to turn again to the earth and in the contemplation of her beauties to know the sense of wonder and humility.

Then the song of a whitethroat, pure and ethereal, with the dreamy quality of remembered joy.

To understand the living present, and the promise of the future, it is necessary to remember the past.

Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.