"But this Educability of the higher mammals and birds is, after all, quite limited.
"Parent and Child Vol. III., Child Study and Training"
Mosiah Hall
These inherent factors explain, too, why children born and bred in virtually the same environment show the most extreme differences in Educability.
"The Glands Regulating Personality"
Louis Berman, M.D.
If, in any family, minor differences in Educability are observed, they can be put down to disturbance of these two factors occurring after the fertilized germ cell had started to divide and reproduce itself.
"The Glands Regulating Personality"
Louis Berman, M.D.