Horace Walpole turns to the letters and argues that: Walpole's numerous letters are often used as a historical resource. In one, dating from 28 January 1754, he coined the word serendipity which he said was derived from a "silly fairy tale" he had read, "The Three Princes of Serendip". The oft-quoted epigram, "This world is a comedy to those that think, a tragedy to those that feel", is from a letter of Walpole's to Anne, Countess of Ossory, on 16 August 1776. The original, fuller version appeared in a letter to Sir Horace Mann on 31 December 1769: "I have often said,
Horace Walpole mother died. According to one biographer his love for his mother "was the most powerful emotion of his entire life...the whole of his psychological history was dominated by it". Walpole did not have any serious relationships with women; he has been called "a natural celibate". Walpole's sexual orientation has been the subject of speculation. He never married, engaging in a succession of unconsummated flirtations with unmarriageable women, and counted among his close friends a number of women such as Anne Seymour Damer and Mary Berry named by a number of sources as lesbian. Many contemporaries described him as effeminate (one