1954, he wrote a book called "The Real Enjoyment of Living," and he suggested that happiness is not about having what you want; instead, it's about wanting what you have.
كتب عام 1954 كتاب بعنوان "المتعة الحقيقية للحياة" و اقترح ان السعادة ليست في ان تحصل على ما ترغب بل في ان ترغب بما تحصل عليه