Raja-Yoga

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88 RAjA YOGA.
of all. The repetition which is so loud that anybody
can hear it is the verbal ;
the next one is where only
the organs begin to vibrate, but no sound is heard;
another man sitting near cannot hear what is being
said. That in which there is no sound, only mental
repetition of the Mantram, at the same time thinking
of its meaning,
is called the mental muttering,"
and
is the highest. The sages have said that there are two
sorts of purification, external and internal. The puri
fication for the body is by water, earth, or other mate
rials; the external purification, as by bathing, etc.
Purification of the mind by truth, and by
all the other
virtues, is what is called internal purification. Both
are necessary. It is not sufficient that a man should
be internally pure and externally dirty. When both
are not attainable the internal purity is the better, but
no one will be a Yogi until he has both.
Worship is by praise, by memory, having devotion
to God. We have spoken about Yama and Niyama ;
next comes Prdndydma. Prdna means the vital forces
in one s own body, Yama means controlling them.
There are three sorts of Prdndydma^ the very simple,
the middle, and the very high. The whole of Prdndydma
is divided into two parts; one is called filling,
and the other is called emptying. When you begin
with twelve seconds it is the lowest Prdndydma ; when
you begin with twenty-four seconds it is the middle
Prdndydma ; that Prdndydma is the best which begins
with thirty-six seconds. That Prdndydma in which
there is first perspiration, then vibration of the body,