Firewood turns into ash, and does not turn into firewood again. But do not suppose that the ash is after and the firewood is before. We must realize that the firewood is in the state of being firewood and has its before and after. Yet having this before and after, it is independent of them.
Eihei Dogen,
SHOBOGENJO GENJO KOAN
(From Taizan Maezumi Roshi's book, ''Appreciate your life''.
SHAMBALA PUBLICATIONS 2002)