Billy licked his lips, thought a while, inquired at last:
'That is a very Earthling question to ask, Mr. Pilgrim. Why you? Why us for that matter? Why anything? Because this moment simply is. Have you ever seen bugs trapped in amber?'
'Yes.' Billy, in fact, had a paperweight in his office which was a blob of polished amber with three lady-bugs embedded in it.
'Well, here we are, Mr. Pilgrim, trapped in the amber of this moment. There is no why.'