His voice stirred everyone like a trumpet as he spoke these words: but when he added under his breath “It’s all in Plato, all in Plato: bless me, what do they teach them at these schools!” the older ones laughed. It was so exactly like the sort of thing they had heard him say long ago in that other world where his beard was grey instead of golden. He knew why they were laughing and joined in the laugh himself. But very quickly they all became grave again: for, as you know, there is a kind of happiness and wonder that makes you serious. It is too good to waste on jokes.