If thou desire the love of God and man, be humble, for the proud heart, as it loves none but itself, is beloved of none but itself. Humility enforces where neither virtue, nor strength, nor reason can prevail.
Bio: Martin E. P. "Marty" Seligman is an American psychologist, educator, and author of self-help books. Since the late 90's, Seligman has been an avid promoter within the scientific community for the field of positive psychology.