“These — lowliness, meekness, long-suffering, loving forbearance — quiet, unpretending, unshowy virtues, are amongst the best means for promoting true unity in the church of God. Who is the most useful Christian? Not as a rule he who has the most transcendent genius, brilliant talents, and commanding eloquence, but he who has the most of this quiet, loving, forbearing spirit. The world may do without its Niagara, whose thundering roar and majestic rush excite the highest amazement of mankind, but it cannot spare the thousand rivulets that glide unseen and unheard every moment through the earth, imparting life, and verdure, and beauty wherever they go. And so the church may do without its men of splendid abilities, but it cannot do without its men of tender, loving, forbearing souls.”

Wer das Tiefste gedacht, liebt das Lebendigste.
“Sokrates und Alcibiades”

This is paraphrased in "Karl Barth's Conception of God" (1952) http://mlk-kpp01.stanford.edu/primarydocuments/Vol2/520102BarthsConceptionOfGod.pdf by Martin Luther King, Jr.: God is the one who stands above our highest and deepest feelings, strivings and intuitions.
Dogmatics in Outline (1949)
Context: He is the One who stands above us and also above our highest and deepest feelings, strivings, intuitions, above the products, even the most sublime, of the human spirit. God in the highest means first of all … He who is in no way established in us, in no way corresponds to a human disposition and possibility, but who is in every sense established simply in Himself and is real in that way; and who is manifest and made manifest to us men, not because of our seeking and finding, feeling and thinking, but again and again, only through Himself. It is this God in the highest who has turned as such to man, given Himself to man, made Himself knowable to him … God in the highest, in the sense of the Christian Confession, means He who from on high has condescended to us, has come to us, has become ours.<!-- p. 37

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 104.

Review of Archibald Alison's Essays on the Nature and Principles of Taste, in the Edinburgh Review (May 1811)

Epistulae Morales ad Lucilium (Moral Letters to Lucilius), Letter LXXVIII: On the Healing Power of the Mind

Essay published in The Advertiser (1748) http://thingsabove.freerovin.com/samadams.htm and later reprinted in The Life and Public Service of Samuel Adams, Volume 1 (1865), by William Vincent Wells <!-- Little, Brown, and Company; Boston -->
Context: Neither the wisest constitution nor the wisest laws will secure the liberty and happiness of a people whose manners are universally corrupt. He therefore is the truest friend to the liberty of his country who tries most to promote its virtue, and who, so far as his power and influence extend, will not suffer a man to be chosen into any office of power and trust who is not a wise and virtuous man. We must not conclude merely upon a man's haranguing upon liberty, and using the charming sound, that he is fit to be trusted with the liberties of his country. It is not unfrequent to hear men declaim loudly upon liberty, who, if we may judge by the whole tenor of their actions, mean nothing else by it but their own liberty, — to oppress without control or the restraint of laws all who are poorer or weaker than themselves. It is not, I say, unfrequent to see such instances, though at the same time I esteem it a justice due to my country to say that it is not without shining examples of the contrary kind; — examples of men of a distinguished attachment to this same liberty I have been describing; whom no hopes could draw, no terrors could drive, from steadily pursuing, in their sphere, the true interests of their country; whose fidelity has been tried in the nicest and tenderest manner, and has been ever firm and unshaken.
The sum of all is, if we would most truly enjoy this gift of Heaven, let us become a virtuous people.

Source: Snuff

1960s, Where Do We Go from Here: Chaos or Community? (1967)
Context: I know that love is ultimately the only answer to mankind's problems. And I'm going to talk about it everywhere I go. I know it isn't popular to talk about it in some circles today. I'm not talking about emotional bosh when I talk about love, I'm talking about a strong, demanding love. And I have seen too much hate. I've seen too much hate on the faces of sheriffs in the South. I've seen hate on the faces of too many Klansmen and too many White Citizens Councilors in the South to want to hate myself, because every time I see it, I know that it does something to their faces and their personalities and I say to myself that hate is too great a burden to bear. I have decided to love. If you are seeking the highest good, I think you can find it through love. And the beautiful thing is that we are moving against wrong when we do it, because John was right, God is love. He who hates does not know God, but he who has love has the key that unlocks the door to the meaning of ultimate reality.

What is success?, quoted in He Has Achieved Success Who Has Lived Well, Laughed Often and Loved Much, in QuoteInvestigator.com (26 June 2012) http://quoteinvestigator.com/2012/06/26/define-success/.