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

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

Insecurity is a waste of time.

I don't waste time being depressed.

A chimpanzee who is really gearing up for a fight doesn't waste time with gestures but just goes ahead and attacks.

Nothing is a waste of time if you use the experience wisely.