If you can dream it, you can do it.
Do not weep do not wax indignant. Understand.
Be thine own palace, or the world's thy jail.
Never complain and never explain.
It's always too early to quit.
To be a good loser is to learn how to win.
Go for it now. The future is promised to no one.
To know oneself, one should assert oneself.
If you're going through hell, keep going.
Expect problems and eat them for breakfast.
It sounds cliche, but success is your friends, your family, what you do, and if you're happy when you wake up.