Well done is better than well said.

It's always too early to quit.

Expect problems and eat them for breakfast.

By failing to prepare, you are preparing to fail.

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

If you can dream it, you can do it.

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

To know oneself, one should assert oneself.

Things do not happen. Things are made to happen.