Only liars manage to always be out during bad times and in during good times.

There are no such things as incurables. There are only things for which man has not found a cure.

When the outlook is steeped in pessimism, I remind myself, "Two and two still make four, and you can't keep humankind down for long."

Never answer a critic, unless he's right.

There is something about inside information which seems to paralyze a man's reasoning powers.

Most of the successful people I know mostly listen, not talk.

So efficient are the available instruments of slavery; fingerprints, lie detectors, brain washings, gas chambers; that we shiver at the thought of political change which might put these instruments in the hands of men of hate.