The rat is always right. - B. F. Skinner

A failure is not always a mistake. It may simply be the best one can do under the circumstances. The real mistake is to stop trying.

Let men be happy, informed, skillful, well behaved, and productive.

Your liberals and radicals all want to govern. They want to try it their way — to show that people will be happier if the power is wielded in a different way or for different purposes. But how do they know? Have they ever tried it? No, it's merely their guess.