If you can dream it, you can do it.
The wise does at once what the fool does at last.
Be thine own palace, or the world's thy jail.
If you think you can do it, you can.
Begin to be now what you will be hereafter.
It's always too early to quit.
To be a good loser is to learn how to win.
The secret of getting ahead is getting started.
By failing to prepare, you are preparing to fail.
If you've got a talent, protect it.
Science is wonderfully equipped to answer the question 'How?' but it gets terribly confused when you ask the question 'Why?'