Daydreaming

This comic has been pinned up in my lab for a while, I love it.
A 4-panel comic with watermark "spikedmath.com © 2009.". Panel 1: protagonist is at a drinks party talking with friends, but has thought bubble containing mathematical symbols. Panel 2: protagonist is playing with a cat and a ball, but has a thought bubble containing mathematical symbols. Panel 3: Protagonist is trying to sleep in bed but has a thought bubble containing mathematical symbols. Panel 4: protagonist is staring sadly at a page containing mathematical symbols, but has a thought bubble containing a cat, a beer and some zzzzzs.

Via spikedmath.com.