To know oneself, one should assert oneself.
To be a good loser is to learn how to win.
You never know what motivates you.
The most effective way to do it, is to do it.
Who seeks shall find.
The secret of getting ahead is getting started.
Always desire to learn something useful.
The wise does at once what the fool does at last.
Things do not happen. Things are made to happen.
I can, therefore I am.
The attempt to combine wisdom and power has only rarely been successful and then only for a short while.