"A wise person knows that there is something to be…

“A wise person knows that there is something to be learned from everyone” is a saying that has been printed on posters. The saying has been cited in print since at least 2006 and is of unknown authorship.

Trade2Win
Your favourite quote.
Bizmanny
NOV 30, 2006, 6:00AM
A wise person knows that there is something to be learned from everyone.

Google Books
Thoughts Across Time
By Bogdan Alexandru Sirbu
Create Space (tacrosst.com)
2009
Pg. 13:
A wise person knows that there is something to be learned from everyone. ~Unknown

Google News Archive
15 April 2009, The Journal (King George, VA), pg. 13, col. 1:
A wise person knows that there is something to be learned from everyone.—Unknown

Twitter
ihatequotes™
‏@ihatequotes
A wise person knows that there is something to be LEARNED from everyone. #ihatequotes
5:50 AM - 3 Jan 10

Twitter
DJ S.M.E
‏@RealDJSmodi
A wise person knows there is something to be learned from everyone,Good morning @tontolet #POKO
11:56 PM - 7 Jan 13

MaryBLucas.com
Fun Friday Quote
by MARY B. LUCAS on JULY 26, 2013
“A wise person knows there is something to be learned from everyone.” – Unknown Source, but certainly fits among the gems my father, John Bichelmeyer might have said!

Twitter
TEDx Transmedia
‏@TEDxTransmedia
“A wise person knows there is something to be learned from everyone.” - Unknown” @mrsimoncohen #TEDxTransmedia 2013
8:41 AM - 27 Sep 13