... Dr. R.J. Ryle at a Conference on Feeble-mindedness (British Medical Journal, October 3, 1911), "be expressed by cleft palate, cataract, or cerebral deficiency of the pyramidal cells in the brain cortex, they may be produced, and, when once produced, they are reproduced as readily as the perfected structure of the face or eye or brain, if the gametes which contain these potentialities unite to form the ovum. But Nature is not only the producer. Given a fair field and no ... — The Task of Social Hygiene • Havelock Ellis
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