As WArden Lawes once said of convicts, no man can be called a failure until he has tried something he really likes, and fails at it.

A loser says that's the way it's always been done. A winner says there ought to be a better way.

Many people know how to work hard; many others know how to play well; but the rarest talent in the world is the ability to introduce elements of playfulness into work, and to put some constructive labor into our leisure.

Self-discipline without talent can often achieve astounding results, whereas talent without self-discipline inevitably dooms itself to failure.

Those obsessed with health are not healthy; the first requisite of good health is a certain calculated carelessness about oneself.

Ignorance per se is not nearly as dangerous as ignorance of ignorance.

Take away grievances from some people and you remove their reasons for living; most of us are nourished by hope, but a considerable minority get psychic nutrition from their resentments, and would waste away purposelessly without them.