Obstacles are things a person sees when he takes his eyes off his goal.
Do not quit! Hundreds of times I have watched people throw in the towel at the one-yard line while someone else comes along and makes a fortune by just going that extra yard.
If you want to test your memory, try to recall what you were worrying about one year ago today.
The best way to remember your wife's birthday is to forget it once.
The greatest power is often simple patience.