One important key to success is self-confidence. An important key to self-confidence is preparation.
Life is like a tennis game. You can't win without serving.
If I didn't play tennis I probably would have to see a psychiatrist.
Start where you are, use what you have.
Success is a journey, not a destination. The doing is often more important than the outcome.
I have always tried to be true to myself, to pick those battles I felt were important. My ultimate responsibility is to myself. I could never be anything else.