If you think you can do it, you can.

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

To know oneself, one should assert oneself.

I can, therefore I am.

By failing to prepare, you are preparing to fail.

The wise does at once what the fool does at last.

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

Well done is better than well said.

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