In reality, moral rules are directions for running the human machine. Every moral rule is there to prevent a breakdown, or a strain, or a friction, in the running of that machine. That is why these rules at first seem to be constantly interfering with our natural inclinations.
C. S. LewisFriendship is born at that moment when one man says to another: "What! You too? I thought that no one but myself . . ."
C. S. Lewis