It has been my observation that most people get ahead during the time that others waste.

Don't waste time on jealousy. Sometimes you're ahead, sometimes you're behind.

An idealist is one who helps the other fellow to make a profit

When I can't handle events, I let them handle themselves

The observation of nature is part of an artist's life, it enlarges his form [and] knowledge, keeps him fresh and from working only by formula, and feeds inspiration.

No one is ever a waste of time if you learn something from the experience. But if you consider people a waste of time well you are simply a waste of my time.