But how can one attain such serenity, such marvelous self-poise? Simply by mastering the secret of right thinking. The man who has once learned to control his thought forces, knows that true self-mastery becomes a matter of course.
Orison Swett Marden

The Author of this Quote

Orison Swett Marden
Author

Orison Swett Marden

Founder of Success Magazine