The man of the future may, and even must, do things impossible in the past and acquire new motor variations not given by heredity.
Youth, Its Education, Regimen, and Hygiene (ed. 1920)
The man of the future may, and even must, do things impossible in the past and acquire new motor variations not given by heredity.
Youth, Its Education, Regimen, and Hygiene (ed. 1920)