The central tenet of Christianity as it has come down to us is that we are to reach out when our instinct is to pull inward; to give when we want to take; to love when we are inclined to hate; to include when are tempted to exclude. ↗
A free society will abide unofficial, private discrimination, even when that means allowing hate-filled groups to exclude people based on the color of their skin. ↗
The three hardest tasks in the world are neither physical feats nor intellectual achievements, but moral acts: to return love for hate, to include the excluded, and to say, "I was wrong". ↗