Parsing carefully "his grandkids" since also wrote "year by year Germany must be kept impoverished and her children starved and crippled" [emphasis added]: For

Parsing carefully "his grandkids" since also wrote "year by year Germany must be kept impoverished and her children starved and crippled" [emphasis added]: For one, Keynes sees his line extending into the future. Two, his kids are not your kids. Three, nothing is said about whether your line continues into the future.