The means by which we live are marvelous indeed. And yet something is missing. We have learned to fly the air like birds and swim the sea like fish, but we have not learned the simple art of living together as brothers.

King Jr, Martin Luther (2012-11-06). A Gift of Love: Sermons from Strength to Love and Other Preachings (King Legacy) (pp. 76-77). Beacon Press. Kindle Edition.