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.
For us, every trip usually starts with a long and arduous journey. This time we had a 4-hour direct flight from RDU to Panama City. Followin...