“Life is really simple, but we insist on making it complicated.”
Attributed on the internet but not found in print prior to an attribution in Aero Digest, Vols. 58–59, 1949, p. 115 https://books.google.com/books?id=q2ofAQAAMAAJ&dq=%22Life+is+simple%22+but+we+insist+on+making+it+complicated&focus=searchwithinvolume&q=%22Life+is+simple%22+
Misattributed, Not Chinese
Help us to complete the source, original and additional information
Confucius 269
Chinese teacher, editor, politician, and philosopher -551–-479 BCRelated quotes

Statement in Mainliner (July 1977), as quoted in Creativity and the writing process (1982) by Olivia Bertagnolli, p. 182; also partly quoted in Survival Skills for Managers (1981) by Marlene Wilson, p. 19
Variant: Anyone can make the simple complicated. Creativity is making the complicated simple.
As quoted in The Evaluation and Treatment of Mild Traumatic Brain Injury (1999) by Nils R. Varney and Richard J. Roberts, p. 303
Context: My son's a painter. All through school his teachers tell him he's a genius. I tell him to paint me an apple that looks like and apple before he paints me one that doesn't. Go where you can go, but start from someplace recognizable. Making the simple complicated is commonplace; making the complicated simple, awesomely simple, that's creativity.
“A simple box is really a complicated thing.”
Box of delights http://www.newstatesman.com/node/147350, NewStatesman.com, 23 February 2004
Attributed from posthumous publications
Zheng Yuanjie (2004) in: "Zheng Yuanjie's 19 years in fairy tales" on chinadaily.com.cn, May 10, 2004 ( online http://www.chinadaily.com.cn/english/doc/2004-05/10/content_329434.htm).

“The Simple Life is the last refuge of complicated and restless souls.”
Source: A Lodge in the Wilderness (1906), Ch. I, p. 22

“Any fool can make something complicated. It takes a genius to make it simple.”

“Death is simple. Life is messy. Give me life, the more complicated the better.”

“That my complicated life could be made so simple was astounding.”
Source: Wild: From Lost to Found on the Pacific Crest Trail