“Without batting an eyelid he [Schatz] marched confidently towards the edge of all things. Miracle of miracles! At the precise moment when all else failed a couloir opened at our feet, and a steep but relatively easy descent of somewhat over two thousand feet took us down to the Miristi Khola just a few hundred yards above the beginning of the gorges” (Lionel Terray, Conquistadors of the Useless).