Ralph Waldo Emerson? W. Taylor? Karl Blind? Carolyne Larrington? Poetic Edda? Hávamál? Scandinavian Proverb? Anonymous?

Question for Quote Investigator: A friendship endures when it is nurtured and periodically renewed. Silence and distance cause a friendship to decay. The following adage expresses this viewpoint:
Go often to the house of thy friend, for weeds soon choke up the unused path.
This statement has been attributed to transcendentalist philosopher Ralph Waldo Emerson, but I have never seen a solid citation, and I have become skeptical. Would you please explore the provenance of this expression?
Reply from Quote Investigator: QI has found no substantive evidence that Ralph Waldo Emerson crafted this saying. He died in 1882, and he received credit by 1921.
The earliest match known to QI appeared in a poem called “Hávamál” which is part of the “Poetic Edda”, a Medieval Icelandic literary work. An English translation by W. Taylor was published in 1828 containing the following verse. Boldface added to excerpts by QI:1
If you’ve a friend, take care to keep him,
And often to his threshold pace;
Bushes and grass soon choke the path
On which a man neglects to walk.
A different translation of the verse by Carolyne Larrington appeared in a scholarly book from Oxford University Press in 2014:2
I advise you, Loddfafnir, to take this advice,
it will be useful if you learn it,
do you good, if you have it:
you know, if you’ve a friend, one whom you trust well,
go to see him often;
for brushwood grows, and tall grass,
on the road which no man treads.
Here is the corresponding medieval text published in an edition from the Viking Society for Northern Research in 1986:3

Below are additional selected citations in chronological order.
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