taken their name from a book by Sinclair Lewis , entitled Arrowsmith . Many Aerosmith songs can be classified as power ballads . The poem The Second Coming by William Butler Yeats includes the lines, "The best lack all conviction, while the worst/Are full of passionate intensity." Retrieved from " http://kol.coldfront.net/thekolwiki/index.php/The_Power_Ballad_of_the_Arrowsmith " Categories