“The secret of happiness at work is contained in one word; excellence. To know how to do something well is to enjoy it.” Pearl S. Buck Personal Development Quotes, Motivational Quotes, Happiness Quotes Motivational Coaching with Dr. Tayfun Topaloğlu 👉 Apply “The secret of happiness at work is contained in one word; excellence. To know how to do something well is to enjoy it.” Pearl S. Buck