Study the heart and the mind of man, and begin with your own. Meditation and reflection must lay the foundation of that knowledge, but experience and practice must, and alone can, complete it.
Lord Philip Dormer Stanhope Chesterfield, Philip Dormer Stanhope Earl of Chesterfield (1855). “The Works of Lord Chesterfield: Including His Letters to His Son, Etc : to which is Prefixed, an Original Life of the Author”, p.413
