> you can't turn a river around with a stick

Somebody forgot to tell this[0] guy.

[0] https://en.wikipedia.org/wiki/Dashrath_Manjhi

That's a lot of rock.

It is a thing with humans. We :

1. overestimate how much we can do in a short amount of time.

2. underestimate how much we can do incrementally over a long amount of time.