Thus the recent rapid evolution of human intelligence is not only the cause of but also the only conceivable solution to the many serious problems that beset us.

We live in an in-between universe where things change all right...but according to patterns, rules, or as we call them, laws of nature.

If we are to survive, our loyalties must be broadened further, to include the whole human community, the entire planet Earth.

A multitude of aspects of the natural world that were considered miraculous only a few generations ago are now thoroughly understood in terms of physics and chemistry.

The simplest thought, like the concept of the number one, has an elaborate logical underpinning.

In the vastness of space and the immensity of time, it is my joy to share a planet and an epoch with Annie.

In the middle 1970s an astronomer I admire put together a modest manifesto called "Objections to Astrology" and asked me to endorse it. I struggled with his wording, and in the end found myself unable to sign, not because I thought astrology has any validity whatever, but because I felt (and still feel) that the tone of the statement was authoritarian.