It was a pity that there was no radar to guide one across the trackless seas of life. Every man had to find his own way, steered by some secret compass of the soul. And sometimes, late or early, the compass lost its power and spun aimlessly on its bearings. Alan Bishop

A faith that cannot survive collision with the truth is not worth many regrets.

It was one thing to have guessed it, another to have had that guess confirmed beyond possibility of refutation.

Civilization will reach maturity only when it learns to value diversity of character and of ideas.

Creationism, perhaps the most pernicious of the intellectual perversions now afflicting the American public.

To find anything comparable with our forthcoming ventures into space, we must go back far beyond Columbus, far beyond Odysseus-far, indeed, beyond the first ape-man. We must contemplate the moment, now irrevocably lost in the mists of time, when the ancestor off all of us came crawling out of the sea.

As our own species is in the process of proving, one cannot have superior science and inferior morals. The combination is unstable and self-destroying.