One would suppose that the battle for religious liberty was won in the United States two hundred years ago. However, in the time since, and right now, powerful voices are always raised in favor of bigotry and thought control. It is useful, then, to have a compendium of the thoughts of great men and women of all faiths (and of none) on the subject, to convince us that we men and woman of freedom are not and never have been alone.

There is no belief, however foolish, that will not gather its faithful adherents who will defend it to the death.

It's the writing that teaches you.

I made up my mind long ago to follow one cardinal rule in all my writing — to be clear.

In a properly automated and educated world, then, machines may prove to be the true humanizing influence. It may be that machines will do the work that makes life possible and that human beings will do all the other things that make life pleasant and worthwhile

Scientists derive satisfaction from figuring out the puzzle. It's about the quest, not the grail.

There is nothing so eternally adhesive as the memory of power.