She was blind, you see, to many things obvious to others—likely to tread in the wrong places, as Celia had warned her; yet her blindness to whatever did not lie in her own pure purpose carried her safely by the side of precipices where vision would have been perilous with fear.
There are no more uses of "precipice" in the book.
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She approached and then pulled back from the precipice.
She skied off a precipice, dropped her skis in midair, and then opened a parachute.