argument which determines deduction
in a most exact manner.

"Experience itself depends on memory, which permits us to recall
facts and to draw our conclusions from them, on which facts reasoning
is based."

The Shogun does not fail to draw our attention to the difference between
experience and experimentation.

"This last," said he, "only serves to incite the manifestation of
the first.

"It consists of determining the production of a phenomenon whose
existence will aid us in establishing the underlying principles of an
observation which interprets the event.

"That is what is called experience.

"Comparison is a mental operation which permits us to bring things that
we desire to understand to a certain point.

"It is comparison which has divided time according to periods, which the
moon follows during its entire length.

"It is by comparing their different aspects and by calculating the
duration of their transformations, that men have been able to divide time
as they do in all the countries of the world.

"The science of numbers is also born of comparison, which has been
established between the quantities that they represent.

"This is the art of calculating the differences existing between each
thing, by determining the relativeness of their respective proportions.

"Comparison acts on the mind automatically, as a rule.

"It is indispensable to the cultivation of common sense, for it furnishes
the means of judging with full knowledge of all the circumstances.

"Analysis is an operation, which consists of separating each detail from
the whole and of examining these details separately, without losing sight
of their relationship to the central element.

"Analysis of the same object, while being scrupulously exact, can,
however, differ materially in its application, according to the way that
the object is related to this or that group of circumstances.

"There are, however, immutable things.

"For example: the letters of the alphabet, the elementary sounds, the
colors etc., etc.

"It suffices to quote only these three elements; one can easily
understand that the most elaborate manuscript is composed of only a
definite number of letters always repeating themselves, whose
juxtaposition forms phrases, then chapters, and finally the
complete work.

"Music is composed only of seven sounds whose different combinations
produce an infinite variety of melodies.

"Elementary colors are only three in number