Did you mean this quote?: "The power of instruction is seldom of much efficacy, except in those happy dispositions where it is almost superfluous." It's from

Did you mean this quote?: "The power of instruction is seldom of much efficacy, except in those happy dispositions where it is almost superfluous." It's from Gibbon's The History of the Decline and Fall of the Roman Empire (Vol. 1, 1776) https://en.wikiquote.org/wiki/The_History_of_the_Decline_and_Fall_of_the_Roman_Empire https://en.wikiquote.org/wiki/The_History_of_the_Decline_and...