Anything you are good at, contributes to happiness - Bertrand Russell
Only two things are infinite, the universe and human stupidity, and I am not sure about the former - Albert Einstein
Try not to become a man of success, but rather a man of value - A. Einstein
Always do right. This will gratify some people and astonish the rest - Mark Twain
Man take only their needs into consideration, never their abilities - Napoleon Bonaparte
