" He was doubtful. “I don’t know… What’s that famous line? When I became a man, I put away childish things…?” Nicola smiled. “Yes, yes, Stuart, but I happen to know what C. S. Lewis said about that.” Stuart waited. If somebody threatened to quote C. S. Lewis to you, there’s not much one could do but wait. “C. S. Lewis said, ‘When I became a man, I put away childish things, including the fear of childishness and the desire to be very grown up.’ ” She looked at Stuart unflinchingly. “And all I would add to that is mutatis mutandis in relation to the man bit. "

― Alexander McCall Smith , A Promise of Ankles (44 Scotland Street #14)