Any smoothly functioning technology will have the appearance of magic.

Science is the only religion of mankind.

That's one of those meaningless and unanswerable questions the mind keeps returning to endlessly, like the tongue exploring a broken tooth.

Once you can reproduce a phenomenon, you are well on the way to understanding it.

The best proof that there's intelligent life in the universe is that it hasn't come here.

The limits of the possible can only be defined by going beyond them into the impossible.

The numbers of distinct human societies or nations, when our race is twice its present age, may be far greater than the total number of all the men who have ever lived up to the present time.