I thought I remembered reading it when I was a kid and saying to myself, "That's where that comes from."
I loved his Stainless Steel Rat books, but that one surprised me a little. *shiver*
Did is a word of achievement Won't is a word of retreat Might is a word of bereavement Can't is a word of defeat Ought is a word of duty Try is a word of each hour Will is a word of beauty Can is a word of power