The joy of surmounting obstacles which once seemed unremovable, and pushing the frontier of accomplishment further — what joy is there like unto it?
Helen KellerThe chief handicap of the blind is not blindness, but the attitude of seeing people towards them.
Helen KellerNow I feel as if I should succeed in doing something in mathematics, although I cannot see why it is so very important. . . The knowledge doesn't make life any sweeter or happier, does it?
Helen Keller