You cannot swim for new horizons until you have courage to lose sight of the shore.
The greatest education in the world is watching the masters at work.
If you're not failing, you're not trying hard enough.
When you want to succeed as bad as you want to breathe, then you'll be successful.
You want to be extra rigorous about making the best possible thing you can. Find everything that's wrong with it and fix it. Seek negative feedback, particularly from friends.