It's always too early to quit.

Who seeks shall find.

By failing to prepare, you are preparing to fail.

To know oneself, one should assert oneself.

If you've got a talent, protect it.

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

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

You never know what motivates you.

Do not weep do not wax indignant. Understand.