This world has seen a great many civilizations. And many of them have survived for longer periods than ours up to the present. They were all as sure as we are today of having founded the first eternal civilization. We today differ from them in having our western civilization spread to embrace the entire planet, leaving no room on any continent for any other culture to take over if we fail.

It is progress when a centuries-old oak is cut down to give space for a road sign.

It is also rarer to find happiness in a man surrounded by the miracles of technology than among people living in the desert of the jungle and who by the standards set by our society would be considered destitute and out of touch.

In a city a man may feel second to none. But alone in the immensity of the universe, among all the creatures that preceded man and built up the human species, even a most fervent atheist will wonder if Darwin found the visible road but not the invisible mechanism.

I was in uniform for four years, and I know that heroism doesn't occur from taking orders, but rather from people who through their own willpower and strength are willing to sacrifice their lives for an idea.

Am going to cross Pacific on a wooden raft to support a theory that the South Sea islands were peopled from Peru. Will you come? I guarantee nothing but a free trip to Peru and the South Sea islands and back, but you will find good use for your technical abilities on the voyage. Reply at once.' Next day the following telegram arrived from Torstein: COMING. TORSTEIN.

But if we begin thinking about the world being over 100 million years old, then it's absolutely by chance that you and I are sitting here alive today, while all the others are dead or have never been born.