To know oneself, one should assert oneself.

By failing to prepare, you are preparing to fail.

Well done is better than well said.

Either you run the day or the day runs you.

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

Know or listen to those who know.

It's always too early to quit.

Be thine own palace, or the world's thy jail.

Be kind whenever possible. It is always possible.