Source: The Greening of America (1970), Chapter II : Consciousness I: Loss Of Reality, p. 21 (See also: Hunter S. Thompson)
Context: To the American people of 1789, their nation promised a new way of life: each individual a free man; each having the right to seek his own happiness; a republican form of government in which the people would be sovereign; and no arbitrary power over people's lives. Less than two hundred years later, almost every aspect of the dream has been lost.
“The society in which each man lives is at once the basis for, and the nemesis of, that fulness of life which each man seeks.”
Source: (1932), p.1
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Reinhold Niebuhr 65
American protestant theologian 1892–1971Related quotes

Fate
1860s, The Conduct of Life (1860)

As quoted in Book Of Happiness, by Jagdish Gupta https://books.google.co.in/books?id=H7cwBQAAQBAJ&pg=PA101&lpg=PA101&dq=Unlike+a+drop+of+water+which+loses+its+identity+when+it+joins+the+ocean,+man+does+not+lose+his+being+in+the+society+in+which+he+lives.+Man%27s+life+is+i&source=bl&ots=eVeEf_7dR3&sig=88DaiaoPeTdFtzRM73yLcZmasVg&hl=en&sa=X&ved=0CEMQ6AEwB2oVChMIh7H05PiSyAIVRNSOCh2zIABs#v=onepage&q=Unlike%20a%20drop%20of%20water%20which%20loses%20its%20identity%20when%20it%20joins%20the%20ocean%2C%20man%20does%20not%20lose%20his%20being%20in%20the%20society%20in%20which%20he%20lives.%20Man%27s%20life%20is%20i&f=false
Variant: Unlike a drop of water which loses its identity when it joins the ocean, man does not lose his being in the society in which he lives. Man's life is independent. He is born not for the development of the society alone, but for the development of his self.

“Man and woman are two locked caskets, of which each contains the key to the other.”
"A Consolatory Tale"
Winter's Tales (1942)

“Each man does seek his own interest, but, unfortunately, not according to the dictates of reason.”
Source: Man, the State, and War (1959), Chapter II, The First Image, p. 23

“Begin at once to live and count each separate day as a separate life.”

Declaration of the Rights of Man (1789)