I've always liked the good Samaritan and the lesson of love we learn from it. But the day I heard it, I especially loved the idea that we have such a loving reminder of the care Christ takes with us. It is so easy to feel the weight of my struggles, the impossibility of all I want to become and do, for it is truly impossible. While I can't do it, someone else can. Being reminded of this brings peace and faith. And the image of having the Lord heal my wounds, carry me when I can't walk, and pay my debts that I can't afford brings a secure comfort I've seldom felt since I was a child.
I later found a more in-depth article here (which I probably read three years ago and promptly forgot. Thankfully, I was reminded when I was ready.)