“Despair is a cavern beneath our feet and we teeter on its very brink.”

“We're forever teetering on the brink of the unknowable, and trying to understand what can't be understood.”

“Every judgment teeters on the brink of error,” Leto explained. “To claim absolute knowledge is to become monstrous. Knowledge is an unending adventure at the edge of uncertainty.”

“It occurs to me that we crush insects beneath our feet, miracles of creation too, beetles, worms, cockroaches, ants, in their various ways.”

“Down the winding cavern we groped our tedious way, till a void boundless as the nether sky appeared beneath us, and we held by the roots of trees and hung over this immensity; but I said: if you please we will commit ourselves to this void and see whether providence is here also.”

“We spend our lives hurrying away from the real, as though it were deadly to us. 'It must be up there somewhere on the horizon,' we think. And all the time it is in the soil, right beneath our feet.”