They have reached number one three times , with their 1998 album This Is My Truth Tell Me Yours and the singles `` If You Tolerate This Your Children Will Be Next '' ( 1998 ) and `` The Masses Against The Classes '' ( 2000 ) . They have reached number one three times , with their 1998 album , This Is My Truth Tell Me Yours and the singles `` If You Tolerate This Your Children Will Be Next '' ( 1998 ) and `` The Masses Against the Classes '' ( 2000 ) .