The narrow gate and the question of salvation

Isaiah 66:18-21 Hebrews 12:5-7, 11-13 Luke 13:22-30 There are many jokes about who at the end of times will get into Heaven. I remember this one, given by a Lutheran pastor at a religious gathering: St Peter says to the first man, “Welcome to Heaven! Back on Earth, what denomination were you?” “I was a…