Do what you love to do and give it your very best. Whether it's business or baseball or the theater or any field. If you don't love what you're doing and you can't give it your best get out of it. Life is too short. You'll be an old man before you know it.
Y'know the real reason why I was such a failure in the sense of being unable to make any sort of a living was because I was really not motivated. I had no motivation.
