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.
در سال 1954 او كتابي نوشت با نام «لذت واقعي زندگي،» و او بيان كرده است كه شادي داشتن چيزي كه مي‌خواهيد، نيست؛ بلكه برعكس، شادي خواستن چيزي است كه داريد.