The study of “H2O” will not slake my thirst in the desert.
But understanding “H2O” will let me choose the right beaker to drink in a lab.
MN64:16.1: “Sir, if this is the path and the practice for giving up the five lower fetters, how come some mendicants here are released in heart while others are released by wisdom?” “In that case, I say it is the diversity of their faculties.”