“It’s hard not to be impatient with the absurdity of the young; they tell us that two and two make four as though it had never occurred to us, and they’re disappointed if we can’t share their surprise when they have discovered that a hen lays an egg. There’s a lot of nonsense in their ranting and raving, but it’s not all nonsense. One ought to sympathize with them; one ought to do one’s ....