preservation, increase and betterment. Instinct often functions as
a sixth sense.

EDUCATION is the acquirement of knowledge by precept or by
observation; but animals as well as men may be self-taught, and
become self-educated, by the diligent exercise of the observing
and reasoning faculties. The adjustment of a wild animal mind to
conditions unknown to its ancestors is through the process of
self-education, and by logical reasoning from premise to
conclusion.

The wild animal must think, or die.

Animal intelligence varies in quantity and quality as much as
animals vary in size. Idiots, maniacs and sleeping persons are the
only classes of human beings who are devoid of intelligence and
reasoning power. Idiots and maniacs also are often devoid of the
common animal _instinct_ that ordinarily promotes self-
preservation from fire, water and high places. A heavily sleeping
person is often so sodden in slumber that his senses of smell and
hearing are temporarily dead; and many a sleeping man has been
asphyxiated by gas or smoke, or burned to death, because his
deadened senses failed to arouse him at the critical moment. (This
dangerous condition of mind can be cured by efforts of the will,
exercised prior to sleep, through a determination resolutely to
arouse and investigate every unusual sensation that registers
"danger" on any one of the senses.) The normal individual sleeps
with a subconscious and sensitive mind, from which thought and
reason have not been entirely eliminated.