Robertson Davies said this quote

... 'But Gold was not all. The other kings bring Frank Innocence and Mirth.' | Darcourt was startled, then delighted. 'That is very fine, Yerko; is it your own?' | 'No, it is in the story. I saw it in New York. The kings say, We bring you Gold, Frank Innocence, and Mirth.' | 'Sancta simplicitas,' said Darcourt, raising his eyes to mine. 'If only there were more Mirth in the message He has left to us. We miss it sadly, in the world we have made. And Frank Innocence. Oh, Yerko, you dear man.' ...