Authors:

This "knowing what to do"... is a matter of having the right purpose, the purpose appropriate to the situation in hand... The one who "knows what to do" is the one on whom you can rely to make the best shot at success, whenever success is possible.

Roger Scruton (2007). “Culture Counts: Faith and Feeling in a World Besieged”, p.35, Encounter Books
This knowing what to do... is a matter of having the right purpose, the purpose appropriate to the situation in hand... The one who knows what to do is the one on whom you can rely to make the best shot at success,