The Arc Of The Moral Universe

Most times, it's like the curve of the earth: so gradual, you can't really perceive it directly, first-hand. You know it's there because there's a horizon, but you can't actually see the bend yourself. But every once in a great while, you actually can see the arc of the moral universe bending towards justice. Every once in a great while, if you're paying attention, you can see history pivoting...