I could be mis-remembering it (my age is starting to show in the most inconvenient ways), but wasn't "Soylent Green" adapted from the Harry Harrison book, "Make Room, Make Room"?
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