“When you are very young, you think old people must feel inside as old as they appear on the outside. But as you move towards agedness yourself, you realise that this is entirely wrong. People remain young on the inside, no matter how old they appear.
“The idea of ‘old’ people is therefore a misapprehension of our culture, which sees the split instant of a human lifetime as something elongated, divided into decades and years, persistently defined by a number.
“But there are no ‘old people’. Everyone is young. The only clue you have about this is your own journey as a subjective intelligence looking out. You wait for a change to descend, some radical shift of thinking which will fit with your balding head or wrinkling face.
“But it doesn’t come: you get giddier and more childish.”