You have succeeded in life when all you really want is only what you really need.
Death … It’s the only thing we haven’t succeeded in completely vulgarizing.
Because the results are expressed in numbers, it is easy to make the mistake of thinking that the intelligence test is a measure like a foot ruler or a pair of scales. It is, of course, a quite different sort of measure. Intelligence is not an abstraction like length and weight; it is an exceedingly complicated notion - which nobody has yet succeeded in defining.
Great men are true men, the men in whom nature has succeeded. They are not extraordinary - they are in the true order. It is the other species of men who are not what they ought to be.
We have found a strange footprint on the shores of the unknown. We have devised profound theories, one after another, to account for its origins. At last, we have succeeded in reconstructing the creature that made the footprint. And lo! It is our own.