Feeling tired should almost never be an excuse, because your body has huge reserves of energy. But if you eat badly, stay out late, drink too much, and so on, you'll pay a price on the course.
Hale IrwinTo be successful in anything, a person must always want to be better, not only than your opponent but better than your last performance. Done correctly, being competitive is a wonderful way to always try to be a better person by learning from your mistakes and capitalizing on your successes.
Hale Irwin