It's always too early to quit.

Always desire to learn something useful.

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

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

What you do today can improve all your tomorrows.

Know or listen to those who know.

To know oneself, one should assert oneself.

The secret of getting ahead is getting started.

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