Expect problems and eat them for breakfast.
To know oneself, one should assert oneself.
If you've got a talent, protect it.
To be a good loser is to learn how to win.
It's always too early to quit.
The most effective way to do it, is to do it.
If you can dream it, you can do it.
If you think you can do it, you can.
Know or listen to those who know.
By failing to prepare, you are preparing to fail.
When I tried to play something and screwed up, I'd hear some other note that would come into play. Then I started trying different things to find the beauty in it.
The worst advice I ever received from my dad was to play by the book.