Happiness is the natural flower of duty- Phillips BrooksInspirational Quotes 💡 Spread the love Happiness is the natural flower of duty. Phillips Brooks Inspirational Quotes Spread the love Explore Awesome 😎 Quotes By — Phillips BrooksRelated AuthorAdam Smith Cher Henry Rollins Robert H. Schuller Zig ZiglarRelated TopicHappiness Natural Duty Flower