Chuck Swindoll has a close friend who spent a day at San Diego's SeaWorld. "While he and his wife were near the main mall, they saw something unusual in the distance: a bunch of ducks coming toward them … on roller skates! They could do it, my friend said, but as they got closer, he could tell that they didn't have their hearts in it.
are ducks on roller skates; they can do what they do, but they don't have their
hearts in it."
- Dallas Seminary Daily Devotional, 9/15/03