do full justice to the animal, let us not
underestimate the vast differences between it and man. The true
evolutionist takes no low view of man's present actual attainments;
in his possibilities he has a larger faith than that of the
disbeliever in evolution. In intelligence and thought, in will power
and freedom of choice, in one word, in all that makes up character
and personality, man is immeasurably superior to the animal. These
powers raise him to a new plane of being, give him an indefinitely
higher and broader life, and his appearance marks a new era. He
alone is a moral, responsible being, to a certain extent the former
of his own destiny and recorder of his doom, if he fails. This gives
to all his actions a peculiar stamp of a dignity only his. What he
is and is to be we must attempt to trace in another lecture. But to
one or two characteristic results of his progress we must call
attention here.

The principal subject of man's study is not so much the things which
surround him as his relation to them and theirs to each other. His
environment has become really one, not so much one of tangible and
visible objects as of invisible relations. And these will demand
endless investigation. The more he studies them the more wonderful
do they become. The vein broadens and grows indefinitely richer the
deeper he searches into it. We find thus the purpose of the
intellect; it is to study environment.

And now a little about motives. The animal begins with appetite, and
some animals and men never get any farther. And yet how easily this
appetite for food is satiated! We all remember our experiences as
children around the Thanksgiving or Christmas table. What a
disappointment it was to us to find how soon our appetite had
forsaken us, and that we had lost the power of enjoying the
delicacies which we had most anticipated. And over-indulgence often
brought sad results and was followed by a period of penitential
fasting. And the appetites for sense gratification must always lead
to this result. They not only crave things which "perish with the
using;" temporarily at least, often permanently, the appetite itself
perishes with the gratification.

But what of the appetite, if you will pardon the expression, for
truth and right? All attainment only strengthens it; and, instead of
enslaving, it makes men ever more free. And yet what a power there
is in the appetite for truth and righteousness? In obedience to it
man gives hi