It's a marvellous life, a gregarious life that we've had. We're very lucky in that way. Unlike writers or painters, we don't sit down in front of a blank canvas and say, 'How do I start? Where do I start?'
The poorer is a family, the greater is the proportion of the total outgo which must be used for food... The proportion of the outgo used for food, other things being equal, is the best measure of the material standard of living of a population.