All honor's wounds are self-inflicted.
As I grow older, I pay less attention to what men say. I just watch what they do.
Here lies one who knew how to get around him men who were cleverer than himself
The older I get the less I listen to what people say and the more I look at what they do.
There is scarcely an instance of a man who has made a fortune by speculation and kept it
The average person puts only 25% of his energy and ability into his work.