I was sure the analogy when deeper. Thank you!

Very interesting. Some thoughts from a triathlete:

- The toughest part during open water swimming (aka exploration) is to know you are swimming in the right direction. Usually, you need to reach a specific landmark, and there are waves, wind, and chaos around you. Humans cannot swim straight to that point, so it's full of zigzags. You swim a bit to the right, then raise your head, look at the mark, and correct. You usually overcorrect/undercorrect, so when you raise your head again you need to c…