nning no less than in forbearance. Possibly the best
service of observation just now is to gather the facts with a view to
the proper recognition and avoidance of the dangers.

Finally, I may be allowed a word to interested parents. You can be of
no use whatever to psychologists--to say nothing of the actual damage
you may be to the children--unless you _know your babies through and
through_. Especially the fathers! They are willing to study everything
else. They know every corner of the house familiarly, and what is done
in it, except the nursery. A man labours for his children ten hours a
day, gets his life insured for their support after his death, and yet
he lets their mental growth, the formation of their characters, the
evolution of their personality, go on by absorption--if no worse--from
common, vulgar, imported and changing, often immoral attendants! Plato
said the state should train the children; and added that the wisest
man should rule the state. This is to say that the wisest man should
tend his children! Hugo gives us, in Jean Valjean and Cosette, a
picture of the true paternal relationship. We hear a certain group of
studies called the _humanities_, and it is right. But the best school
in the humanities for every man is in his own house.

With this goes, finally, the highest lesson of sport, drama,
make-believe, even when we trace it up into the art-impulse--the
lesson of _personal freedom_. The child himself sets the limitations
of the game, makes the rules, and subjects himself to them, and then
in time pierces the bubble for himself, saying, "I will play no more."
All this is the germ of self-regulation, of the control of the
impulses, of the voluntary adoption of the ideal, which becomes in
later life--if so be that he cling to it--the pearl of great price.

CHAPTER V.

THE CONNECTION OF BODY WITH MIND--PHYSIOLOGICAL PSYCHOLOGY--MENTAL
DISEASES.

In the foregoing pages we have had intimations of some of the
important questions which arise about the connection of mind with
body. The avenues of the senses are the normal approaches to the mind
through the body; and, taking advantage of this, experiments are made
upon the senses. This gives rise to Experimental Psychology, to which
the chapter after this is devoted. Besides this, however, we find the
general fact that a normal body must in all cases be present with a
normal mind, and this makes it possible to arrange so to manipulate
the bod