I can, therefore I am.

Without hard work, nothing grows but weeds.

Be gentle to all and stern with yourself.

What you do today can improve all your tomorrows.

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

Things do not happen. Things are made to happen.

To know oneself, one should assert oneself.

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

Expect problems and eat them for breakfast.