quotes Disability Intelligence
Daniel Keyes – Flowers for Algernon Daniel Keyes Flowers for Algernon article

How strange it is that people of honest feelings and sensibility, who would not take advantage of a man born without arms or legs or eyes—how such people think nothing of abusing a man born with low intelligence.

Daniel Keyes, Flowers for Algernon, The Magazine of Fantasy & Science Fiction, vol. 16, no. 4, 1959, pp. 5–30, p. 22