Order in apparent chaos: I know of scarcely anything so apt to impress the imagination as the wonderful form of cosmic order expressed by the Law of Frequency of Error.

Whenever you can, count.

I have no patience with the hypothesis - often implied in tales meant to teach children to be good - that babies are born pretty much alike, and that the only agencies creating differences between boy and boy, or man and man, are steady application and moral effort.

Selective breeding can alter man's capacity to learn, to keep sane, to cherish justice or to be happy. There is no more certain and economical a way to improve man's environment as to improve his nature.

-- Edward Thorndike