Agatha Christie. Autobiography (№ 139162)

Life, it seems to me, consists of three periods: a rapid and intoxicating present, minute by minute, hurtling with fatal speed; the future, dim and uncertain, allowing to build any interesting plans than extravagant - the better still life had its own way, so dream on your health; and finally, the third period - the past, the Foundation of our current life, the memories awakened by chance in any flavor, shape of the hill, an old song, something quite normal, suddenly forcing us to mutter:
- Remember... - with special and inexplicable pleasure.