To know oneself, one should assert oneself.

Well done is better than well said.

I can, therefore I am.

Never complain and never explain.

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

By failing to prepare, you are preparing to fail.

Know or listen to those who know.

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

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