If you are too busy to exercise, you are too busy.
The precise statement of any problem is the most important step in its solution.
The pursuit of excellence is gratifying and healthy. The pursuit of perfection is frustrating, neurotic, and a terrible waste of time.
Of all the time-saving techniques ever developed, perhaps the most effective is the frequent use of the word no.
Once you start something, finish it. Don't accumulate a backlog of unfinished projects.
If you ask people to do things and they usually don't get around to them, stop asking yourself, "What's the matter with people these days?" Instead, ask yourself, "What's the matter with me? What am I doing or failing to do that causes people to give me empty promises?"