I can, therefore I am.

It's always too early to quit.

Problems are not stop signs, they are guidelines.

Quality is not an act, it is a habit.

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

Go for it now. The future is promised to no one.

If you think you can do it, you can.

To know oneself, one should assert oneself.

The secret of getting ahead is getting started.