A sharp tongue is the only edged tool that grows keener with constant use.
독설은 쓸수록 더욱 날카로와 지는 유일한 칼날이다.
Washington Irving (April 3, 1783 – November 28, 1859) was an American short-story writer, essayist, biographer, historian, and diplomat of the early 19th century.
