To know oneself, one should assert oneself.

Things do not happen. Things are made to happen.

Be gentle to all and stern with yourself.

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

If you're going through hell, keep going.

Well done is better than well said.

By failing to prepare, you are preparing to fail.

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

Know or listen to those who know.