Once upon a time, we soared into the Solar System. For a few years. Then we hurried back. Why? What happened? What was 'Apollo' really about?

Sailors on a becalmed sea, we sense the stirring of a breeze.

The visions we offer our children shape the future. It _matters_ what those visions are. Often they become self-fulfilling prophecies. Dreams are maps.

Modern science has been a voyage into the unknown, with a lesson in humility waiting at every stop. Many passengers would rather have stayed home.

There is every reason to think that in the coming years Mars and its mysteries will become increasingly familiar to the inhabitants of the Planet Earth.

These days there seems to be nowhere left to explore, at least on the land area of the Earth. Victims of their very success, the explorers now pretty much stay home.

On Titan the molecules that have been raining down like manna from heaven for the last 4 billion years might still be there largely unaltered deep-frozen awaiting the chemists from Earth

Each day in this country, twenty-three hundred children are reported missing.

Since the future's so iffy, I'll turn my attention to the past.

The house is eerily quiet. All this time I thought silence would be a welcome reprieve, but it's less comforting than I imagined. The house feels so much bigger and colder than it ever has.

The need itself is not the call.

Everything deep is also simple and can be reproduced simply as long as its reference to the whole truth is maintained. But what matters is not what is witty but what is true.

When a person begins to yell during an argument, it is a tip-off that he is unsure of himself.

Confidentiality is a virtue of the loyal, as loyalty is the virtue of faithfulness.

For I had rather die in the adventure ot noble achievements, then live in obscure and sluggish security.

You don't learn from smart people, you learn from idiots. Watch what they do, and then don't do it!

I was OK before this, I will be OK after this.