'I've had countless nights where the line never left the bottom zone of the graph, but the few moments where it's climbed all the way to the top have made up for them all.'

3197. "Cost Savings"

'Unfortunately, my scheme to trick NASA has now taken over a decade longer than planned and has run way over budget.'

3198. "Double-Pronged Extension Cord"

''Oh, and can I borrow 50 sacks of loose flour, a pile of lithium-ion batteries, a bucket of bleach, and a bucket of vinega--' 'NO!!!!!!''

3199. "Early Arthropods"

''Ugh, I'm never going to be like spiders. My descendants will all just be normal arthropods who mind their own busines and don't do anything weird.' --The ancestor of a bunch of eusocial insects'

3200. "Chemical Formula"

'Some of the atoms in the molecule are very weakly bound.'

3201. "Proof Without Content"

'There's also a proof without content of a conjecture without content, but it's left as an exercise for the reader.'

3202. "Groundhog Day Meaning"

'Originally, the ceremony used a variety of rodents and mustelids, but over time most people agreed it made sense to standardize on a specific individual ground squirrel in Pennsylvania.'

3203. "Binary Star"