If you think you can do it, you can.
Well done is better than well said.
If you're going through hell, keep going.
To know oneself, one should assert oneself.
It's always too early to quit.
Who seeks shall find.
After a storm comes a calm.
If you've got a talent, protect it.
Go for it now. The future is promised to no one.
Leap, and the net will appear.
Failure and things of this sort - you can take it one of two ways. You can either let that hurt you and really affect the way that you live your life in the future, or you can use that as an opportunity for growth.