Isaiah Berlin (1909-1997), The Crooked Timber of Humanity: Chapters in the History of Ideas
, ed. Henry Hardy (New York: Alfred A. Knopf, 1991), pp. 13-14:
Happy are those who live under a discipline which they accept without question, who freely obey the orders of leaders, spiritual or temporal, whose word is fully accepted as unbreakable law; or those who have, by their own methods, arrived at clear and unshakeable convictions about what to do and what to be that brook no possible doubt. I can only say that those who rest on such comfortable beds of dogma are victims of self-induced myopia, blinkers that may make for contentment, but not for understanding of what it is to be human.