The quote "A good traveler has no fixed plans, and is not intent on arriving" is supposed to be from Lao Tze. Question for our Chinese friends: What is the original Chinese text?

Sun-Ling and John have been traveling the earth since 2008 while blogging, eating vegetarian and vegan, and riding public transportation. We love uphill day hikes, 20th-century architecture, Roman ruins, all bodies of water, local markets, shopping for groceries, aqueducts, miradors, trip planning, blablacar, and more.
From the Pantanal, we flew to our other major destination, Iguazu Falls. We spent the first day visiting the falls from the Brazil side, and...