Okay, so a wild fox koan is like a riddle that teaches a lesson. The koan goes like this: A monk saw a wild fox running around the temple, and he asked his teacher what it meant. The teacher said, "It's just a wild fox, why do you care?" But the monk kept asking, and finally the teacher said, "The fox is running around because it's trying to find its home, but it's not finding it because it's looking in the wrong place."
So, the lesson of the wild fox koan is that sometimes we can be like the fox, looking for something but not finding it because we're looking in the wrong place. It's important to be mindful and pay attention to where we're looking, so that we can find what we're looking for. And sometimes it's also important to let go of our attachment to things, like the teacher who didn't think the fox was a big deal. It's all about balance and perspective!