g. But the map, a summary, an arranged and orderly
view of previous experiences, serves as a guide to future experience;
it gives direction; it facilitates control; it economizes effort,
preventing useless wandering, and pointing out the paths which lead most
quickly and most certainly to a desired result. Through the map every
new traveler may get for his own journey the benefits of the results
of others' explorations without the waste of energy and loss of time
involved in their wanderings--wanderings which he himself would be
obliged to repeat were it not for just the assistance of the objective
and generalized record of their performances. That which we call a
science or study puts the net product of past experience in the
form which makes it most available for the future. It represents a
capitalization which may at once be turned to interest. It economizes
the workings of the mind in every way. Memory is less taxed because the
facts are grouped together about some common principle, instead of being
connected solely with the varying incidents of their original discovery.
Observation is assisted; we know what to look for and where to look.
It is the difference between looking for a needle in a haystack, and
searching for a given paper in a well-arranged cabinet. Reasoning is
directed, because there is a certain general path or line laid out
along which ideas naturally march, instead of moving from one chance
association to another.

There is, then, nothing final about a logical rendering of experience.
Its value is not contained in itself; its significance is that of
standpoint, outlook, method. It intervenes between the more casual,
tentative, and roundabout experiences of the past, and more controlled
and orderly experiences of the future. It gives past experience in that
net form which renders it most available and most significant, most
fecund for future experience. The abstractions, generalizations, and
classifications which it introduces all have prospective meaning.

The formulated result is then not to be opposed to the process of
growth. The logical is not set over against the psychological. The
surveyed and arranged result occupies a critical position in the process
of growth. It marks a turning-point. It shows how we may get the benefit
of past effort in controlling future endeavor. In the largest sense the
logical standpoint is itself psychological; it has its meaning as a
point in the development of exp