To know oneself, one should assert oneself.

What you do today can improve all your tomorrows.

It's always too early to quit.

Well done is better than well said.

Do not weep do not wax indignant. Understand.

The most effective way to do it, is to do it.

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

Things do not happen. Things are made to happen.

I can, therefore I am.