Philosophy’s Most Beautiful Sentence or Paragraph

[This post originally appeared on June 6th, 2015.]
(image: detail of “Haggadah (P2)” by Gerhard Richter)
A little while ago there was a discussion on Reddit about “the most beautiful paragraph or sentence you’ve ever read.” I don’t know about you, but I could really go for some reminders about the beauty of our craft right about now. Let’s do a philosophy version of this. What do you think would be a good candidate for philosophy’s most beautiful sentence or paragraph?