"I congratulate you."
She looked at him, surprised.
"I mean it," he went on. "People are much the happier for believing. The great art of life is to be happy, and, if one is, nothing else matters."
"Then why don't you believe?"
"Supposing one can't."
"Can't?"
"It isn't given to everyone, you know."
"Then you think we're just like poor animals—"
"Don't say 'poor' animals," he interrupted. "They're ever so much happier than we."
"Nonsense! They don't know."