Every new born being indeed comes fresh and blithe into the new existence, and enjoys it as a free gift: but there is, and can be, nothing freely given. It's fresh existence is paid for by the old age and death of a worn out existence which has perished, but which contained the indestructible seed out of which the new existence has arisen: they are one being.
Maeterlinck says that compared with ordinary truths mystic truths have strange privileges - they can neither age nor die. Beauty is eternal and ugliness, thank God, is ephemeral. Can there be any question as to which should attract the poet?