John Wanamaker, founder of ...

John Wanamaker, founder of the stores that bear his name, once confessed: \
John Wanamaker, founder of the stores that bear his name, once confessed: "I learned thirty years ago that it is foolish to scold. I have enough trouble overcoming my own limitations without fretting over the fact that God has not seen fit to distribute evenly the gift of intelligence.

Quotes from the same author

Do you know the most important trait a man can have? It is not executive ability; it is not a great mentality; it is not kindliness, nor courage, nor a sense of humor, though each of these is of tremendous importance. In my opinion, it is the ability to make friends, which, boiled down, means the ability to see the best in man.
Happiness doesn't depend on any external conditions, it is governed by our mental attitude.
Success is getting what you want. Happiness is wanting what you get.
Most of the important things in the world have been accomplished by people who have kept on trying when there seemed to be no hope at all.
When fate hands us a lemon, let's try to make lemonade.