I was browsing http://www.brainyquote.com/ website and found that the top one quote on hot topic "life" is an quote from Confucius(http://www.brainyquote.com/quotes/topics/topic_life.html):
"Life is really simple, but we insist on making it complicated"
I do read part of The Analects of Confucius however I doesn't remember any quote with similar meaning. what is the exact original/source text of quote above? How should I translate it to Chinese? I have tried google translation but only get Vernacular Chinese sentence which of course could not be the original one.