“Patriotism or any other version of the herd instinct seems to me an entirely inadequate basis of virtue. Christianity is from that point of view an explanation of and a support for an essential ingredient in man's nature—far the best, though necessarily imperfect.”

From a 1887 letter to Prince Wilhelm (the future Kaiser)

"The Holy Dimension", p. 329
Moral Grandeur and Spiritual Audacity: Essays (1997)
Context: It seems as though we have arrived at a point in history, closest to the instincts and remotest from ideals, where the self stands like a wall between God and man. It is the period of a divine eclipse. We sail the seas, we count the stars, we split the atom, but never ask: Is there nothing but a dead universe and our reckless curiosity?
Primitive man's humble ear was alert to the inwardness of the world, while the modern man is presumptuous enough to claim that he has the sole monopoly over soul and spirit, that he is the only thing alive in the universe. … But there is a dawn of wonder and surprise in our souls, when the things that surround us suddenly slip off the triteness with which we have endowed them, and their strangeness opens like a gap between them and our mind, a gap that no words can fill. … What is the incense of self-esteem to him who tastes in all things the flavor of the utterly unknown, the fragrance of what is beyond our senses? There are neither skies nor oceans, neither birds nor trees — there are only signs of what can never be perceived. And all power and beauty are mere straws in the fire of a pure man's vision.

Source: Hainish Cycle, The Left Hand of Darkness (1969), Chapter 8 “Another Way into Orgoreyn” (p. 118)

(19 February 1756)
1750s, Diaries (1750s-1790s)
Context: No man is entirely free from weakness and imperfection in this life. Men of the most exalted genius and active minds are generally most perfect slaves to the love of fame. They sometimes descend to as mean tricks and artifices in pursuit of honor or reputation as the miser descends to in pursuit of gold.

University of Havana address (2005)
Context: Man is born egotistical, a result of the conditioning of nature. Nature fills us with instincts; it is education that fills us with virtues. Nature makes us do things instinctively; one of these is the instinct for survival which can lead to infamy, while on the other side, our conscience can lead us to great acts of heroism. It doesn’t matter what each one of us is like, how different we are from each other, but when we unite we become one.
It is amazing that in spite of the differences between human beings, they can become as one in a single instant or they can be millions, and they can be a million strong just through their ideas. Nobody followed the Revolution as a cult to anyone or because they felt personal sympathy with any one person. It is only by embracing certain values and ideas that an entire people can develop the same willingness to make sacrifices of any one of those who loyally and sincerely try to lead them toward their destiny.

Source: Economic and Philosophic Manuscripts of 1844, p. 105, The Marx-Engels Reader

The Desiring Machine
Anti-Oedipus Capitalism and Schizophrenia (1977)

volume II, chapter XXI: "General Summary and Conclusion", pages 403-404 http://darwin-online.org.uk/content/frameset?pageseq=420&itemID=F937.2&viewtype=image
The Descent of Man (1871)

Up from Liberalism (1959); also quoted in The American Dissent : A Decade of Modern Conservatism (1966) by Jeffrey Peter Hart, p. 171
Variants:
Liberals claim to want to give a hearing to other views, but then are shocked and offended to discover that there are other views.
As quoted in The Nastiest Things Ever Said about Democrats (2006) by Martin Higgins, p. 93
Liberals do a great deal of talking about hearing other points of view, but it sometimes shocks them to learn that there are other points of view.
As quoted in his obituary in The TImes (28 February 2008) http://www.timesonline.co.uk/tol/comment/obituaries/article3447250.ece.