Traveling card

We are so serious about traveling, that we had some cards made. I had the help of a professional designer, Azure Yang, a coworker from Microsoft. I am very pleased with the result -- the design feels very much like us :).

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?