Yes, it's hard to write, but it's harder not to.
Source: In answer to a question put to him by Mary Margaret McBride; quoted by James Thurber in: Bermudian, Nov 1950.
-- Carl Van Doren, (Sep 10 1885-1950), US author, teacher; His writings range through surveys of literature to novels, biography, and criticism; won Pulitzer for biography of Benjamin Franklin, 1938.