inhabitants of an unfortified city in the midst of a plain occupied by a
hostile army to apply themselves successfully to the study of
logarithms or metaphysics, as to expect a man without a year's income in
his safe to apply himself successfully to the true art of living.

And the whole secret of relative freedom from financial anxiety lies not
in income, but in expenditure. I am ashamed to utter this antique
platitude. But, like most aphorisms of unassailable wisdom, it is
completely ignored. You say, of course, that it is not easy to leave a
margin between your expenditure and your present income. I know it. I
fraternally shake your hand. Still it is, in most cases, far easier to
lessen one's expenditure than to increase one's income without
increasing one's expenditure. The alternative is before you. However you
decide, be assured that the foundation of philosophy is a margin, and
that the margin can always be had.




XVI

REASON, REASON!


In conclusion, I must insist upon several results of what I may call the
'intensive culture' of the reason. The brain will not only grow more
effectively powerful in the departments of life where the brain is
supposed specially to work, but it will also enlarge the circle of its
activities. It will assuredly interfere in everything. The student of
himself must necessarily conduct his existence more and more according