Cats seem to go on the principle that it never does any harm to ask for what you want.

Nature takes no account of even the most reasonable of human excuses.

Being the inventor of sex would seem to be a sufficient distinction for a creature just barely large enough to be seen by the naked eye.

The cockroach and the bird were both here long before we were. Both could.

Technology made large populations possible; large populations now make technology indispensable.

A book ... unlike a television program, moving picture or any other 'modern means of communication' ... can wait for years, yet be available at any moment when it happens to be needed.

If we are deprived of hope as well as fear, we are compensated by being given an almost endless patience for enduring or simply for waiting.