Answer:
in this passage from Helen
Keller's The Story of My Life?
Have you ever been at sea in a dense fog, when it seemed
as if a tangible white darkness shut you in, and the great
ship, tense and anxious, groped her way toward the shore
with plummet and sounding-line, and you waited with
beating heart for something to happen? I was like that ship
before my education began, only I was without compass or
sounding-line, and had no way of knowing how near the
harbour was. "Light! give me light!" was the wordless cry of
