Adolescence will be peaceful, calm, semi-conscious, or disturbing, revolutionary and obsessive according to the reaction of the other endocrines to the rise of the ovaries.

THE THYMO-CENTRIC PERSONALITIES During the first period of childhood, up to five, six or seven, or more accurately, up to the point at which the permanent teeth begin to appear, every child may be said to be a thymus-dominated organism, because the thymus, holding the other endocrines in check, controls its life.

The reaction potential of the ante-pituitary, that is its inherent, latent ability to supply a maximum of its endocrine for the nerve cells of the frontal lobes, is the best-known chemical determinant of intellectual genius.

Similarities and resemblances of mind and body between people at a given period of life, childhood, youth, maturity must be put down to their common government by the salient endocrine of the epoch.

This masculine element causes a rearrangement of the balance of power between the endocrines towards the side of masculinity.