One important key to success is self-confidence. An important key to self-confidence is preparation.
Do one thing every day that scares you

Don't lose your heart if the situations are not right. Try hard to change them and one day you will eventually change them. Do not ever believe in negativity.

Whenever you are asked if you can do a job, tell ‘em, ‘Certainly I can!’ Then get busy and find out how to do it. I’m a great believer in luck with smart working.