François Nonnenmacher (EN) | FR

To see a World in a grain of sand,
And Heaven in a wild flower,
Hold Infinity in the palm of your hand
And Eternity in an hour.

- William Blake, Auguries of Innocence

I found this pearl in the comments of a demonstration that .9 repeating equals one. I found the article and its comment thread fascinating (math trolls, I didn't know about that species). [Via Laurent]