All military type firearms are to be handed in immediately... The SS, SA and Stahlhelm give every respectable German man the opportunity of campaigning with them. Therefore anyone who does not belong to one of the above named organisations and who unjustifiably nevertheless keeps his weapon... must be regarded as an enemy of the national government.

You should never bet against anything in science at odds of more than about 10-12 to 1.

Sanity calms, but madness is more interesting.

The important thing is not to stop questioning.

Patriotism is the willingness to kill and be killed for trivial reasons.

The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people so full of doubts.

In all things it is a good idea to hang a question mark now and then on the things we have taken for granted.

Many people would rather die than think; in fact, most do.

I long ago came to the conclusion that all life is six to five against.

The best executive is one who has sense enough to pick good people to do what he wants done, and self-restraint enough to keep from meddling with them while they do it.