When it is not in our power to determine what is true, we ought to follow what is most probable.

If we all worked on the assumption that what is accepted as true is really true, there would be little hope of advance.

I have noticed that nothing I have never said ever did me any harm.

All animals are equal, but some animals are more equal than others.

Do it again on the next verse, and people think you meant it.

Circumstances do not make the man, they reveal him.

The joke of our time is the suicide of intention.

In just six weeks from the time the design was started, we had the motor on the block testing its power.

If one is to be called a liar, one may as well make an effort to deserve the name.

Those who hammer their guns into plows, will plow for those who do not.

I'm not a genius. I'm just a tremendous bundle of experience.

I meant what I said and I said what I meant.

Give up trying to make me give up

If you follow every dream, you might get lost.

Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense.

No flying machine will ever fly from New York to Paris.

A photograph can be an instant of life captured for eternity that will never cease looking back at you.

Courage is grace under pressure.

I may not be better than other people, but at least I'm different.

All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it.

The English contribution to world cuisine - the chip.