I can, therefore I am.

If you think you can do it, you can.

Well done is better than well said.

By failing to prepare, you are preparing to fail.

Problems are not stop signs, they are guidelines.

To be a good loser is to learn how to win.

If you're going through hell, keep going.

If you've got a talent, protect it.

To know oneself, one should assert oneself.