THE SCIENCE OF NUMBERS
taking advantage of this psychic fact in all difficult instructions.
While it is true, as has been suggested, that the musical keynotes apply almost exclusively to the health, the daily use of this chord, when the notes are harmonious, induces harmony in all directions. In periods of mental excitement, peace and quiet may be induced if one will resort to this best of all seditives. In periods of depression, nothing will restore the equilibrium more quickly or surely.
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