Note (1896-11-26), Mark Twain's Notebook, ch. 27 "England" (1935) [ed. Albert Bigelow Paine] - Twain, Mark | WIST Quotations

The best way to cheer yourself is to try to cheer somebody else up. Written while in Guilford, England, shortly after the death of his daughter Susy in America. Often given as "The best way to cheer yourself up is to try to cheer somebody else...