From Math with Bad Drawings:
Last week, 6,000 mathematicians met in Baltimore. They crowded in conference rooms, swapped gossip over beers, and wherever free food appeared, they lined up like ants.
On a table in the hallway of the convention center, I stationed paper, markers, and the following invitation:
I got 39 replies, 39 tributes to math’s power—in short, 39 ways to love mathematics.
See the results here: http://mathwithbaddrawings.com/2014/01/22/39-ways-to-love-math/