10. Stay steady and don't give up. My father's most frequent piece of wisdom comes from a Harvard Business School study that he quotes regularly. Its not intelligence or money or ego. What the study discovered is that two things contribute most significantly: A) Perseverance: A person who sticks to it and works on things through thick and thin will accomplish them. B) A steady personality: People who doesn't become overly elated when they succeed or overly depressed when they