Source: Europe and the People Without History, 1982, Chapter 1, Introduction, p. 5.
“History and experience tells us that moral progress cannot come in comfortable and in complacent times, but out of trial and out of confusion.”
Quoted variant: History and experience tell us that moral progress comes not in comfortable and complacent times, but out of trial and confusion.
1970s, State of the Union Address (1975)
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American politician, 38th President of the United States (i… 1913–2006Related quotes

"Quotations by 60 Greatest Indians" at Dhirubhai Ambani Institute of Information and Communication Technology http://resourcecentre.daiict.ac.in/eresources/iresources/quotations.html

In a letter to Frederic George Young of the University of Oregon, as quoted in Women of the Gold Rush https://archive.org/stream/womenofgoldrusht00vict#page/n17/mode/2up

Section 9 : Ethical Outlook
Founding Address (1876), Life and Destiny (1913)
Context: Theologians often say that faith must come first, and that morality must be deduced from faith. We say that morality must come first, and faith, to those whose nature fits them to entertain it, will come out of the experience of a deepened moral life as its richest, choicest fruit.
Precisely because moral culture is the aim, we cannot be content merely to lift the mass of mankind above the grosser forms of evil. We must try to advance the cause of humanity by developing in ourselves, as well as in others, a higher type of manhood and womanhood than the past has known.
To aid in the evolution of a new conscience, to inject living streams of moral force into the dry veins of materialistic communities is our aim.
We seek to come into touch with the ultimate power in things, the ultimate peace in things, which yet, in any literal sense, we know well that we cannot know. We seek to become morally certain — that is, certain for moral purposes — of what is beyond the reach of demonstration. But our moral optimism must include the darkest facts that pessimism can point to, include them and transcend them.

“Truth will sooner come out from error than from confusion.”
Aphorism 20
Novum Organum (1620), Book II

“I am not unmindful that some of you have come here out of great trials and tribulations.”
1960s, I Have A Dream (1963)
Context: I am not unmindful that some of you have come here out of great trials and tribulations. Some of you have come fresh from narrow jail cells. Some of you have come from areas where your quest for freedom left you battered by the storms of persecution and staggered by the winds of police brutality. You have been the veterans of creative suffering. Continue to work with the faith that unearned suffering is redemptive.