I can, therefore I am.

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

If you've got a talent, protect it.

The secret of getting ahead is getting started.

If you think you can do it, you can.

To know oneself, one should assert oneself.

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

Quality is not an act, it is a habit.

Well done is better than well said.