In plain words
Forgetting oneself and thinking the body to be oneself, one takes birth after birth; at last, knowing oneself, one becomes oneself. See this as waking from a dream of travel through many lands.
Word for word
Forgetting oneself, thinking the body to be oneself, taking how many births, at the end knowing oneself, becoming oneself: see it as waking from the dream of wandering through many lands.