The tougher the job, the greater the reward.

Forget the past–the future will give you plenty to worry about.

George Allen (1918-1990) was an American football coach.  He served as an NFL head coach for two different teams:  Los Angeles Rams (1966-1970) and Washington Redskins (1971-1977).  He was well-known for his ability to motivate his teams to achieve success.