I assume post used extreme example to demonstrate that wise-sounding metaphors may not have inherent point or value.

Hahah, I just have to reply and say I loved the original comment and was happy for the laugh. Obviously this is the answer to the riddle of

> Given a 3-liter container and a 5-liter container, both initially empty, and access to tap water, how can you measure exactly 4 liters of water without using any additional containers

I've offered and received some convoluted metaphors recently, love leaning hard into this one.

Psilocybin?

Not sure, I used to be better at diagnosing this type of episode.

They're talking about Archimedes' principle, displacement of water. The fish makes the water bottle overflow, so be careful when you add the fish so that it doesn't. It's a counter analogy to the rocks one above.

They’re pointing out that if the jar was _filled_ with sand, then of course you can’t fit any rocks in because it’s full. It’s cute but misunderstands the original metaphor I think.