Friendship may be said to require natures so rare and costly, each so well tempered and so happily adapted, and withal so circumstanced, (for even in that particular, a poet says, love demands that the parties be altogether paired,) that its satisfaction can very seldom be assured.
 Ralph Waldo Emerson, Friendship (1841). copy citation

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Author Ralph Waldo Emerson
Source Friendship
Topic friendship satisfaction
Date 1841
Language English
Reference in "Essays: First Series"
Note
Weblink https://en.wikisource.org/wiki/Essays:_First_Series/Friendship

Context

“We are to dignify to each other the daily needs and offices of man's life, and embellish it by courage, wisdom, and unity. It should never fall into something usual and settled, but should be alert and inventive, and add rhyme and reason to what was drudgery.
Friendship may be said to require natures so rare and costly, each so well tempered and so happily adapted, and withal so circumstanced, (for even in that particular, a poet says, love demands that the parties be altogether paired,) that its satisfaction can very seldom be assured. It cannot subsist in its perfection, say some of those who are learned in this warm lore of the heart, betwixt more than two. I am not quite so strict in my terms, perhaps because I have never known so high a fellowship as others.” source