It's always too early to quit.

Know or listen to those who know.

What you do today can improve all your tomorrows.

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

If you've got a talent, protect it.

Do not weep do not wax indignant. Understand.

Things do not happen. Things are made to happen.

By failing to prepare, you are preparing to fail.

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