To this I answered, that my notes rendered the ideas so clear, that
to learn music by means of the ordinary characters, time would be gained
by beginning with mine. To prove this by experience, I taught music
gratis to a young American lady, Mademoiselle des Roulins, with whom M.
Roguin had brought me acquainted. In three months she read every kind of
music, by means of my notation, and sung at sight better than I did
myself, any piece that was not too difficult. This success was
convincing, but not known; any other person would have filled the
journals with the detail, but with some talents for discovering useful
things, I never have possessed that of setting them off to advantage.

Thus was my airy castle again overthrown; but this time I was thirty
years of age, and in Paris, where it is impossible to live for a trifle.
The resolution I took upon this occasion will astonish none but those by
whom the first part of these memoirs has not been read with attention.
I had just made great and fruitless efforts, and was in need of
relaxation. Instead of sinking with despair I gave myself up quietly to
my indolence and to the care of Providence; and the better to wait for
its assistance with patience, I lay down a frugal plan for the slow
expenditure of a few louis, which still remained in my possession,
regulating the expense of my supine pleasures without retrenching it;
going to the coffee-house but every other day, and to the theatre but
twice a week. With respect to the expenses of girls of easy virtue, I
had no retrenchment to make; never having in the whole course of my life
applied so much as a farthing to that use except once, of which I shall
soon have occasion to speak. The security, voluptuousness, and
confidence with which I gave myself up to this indolent and solitary
life, which I had not the means of continuing for three months, is one of
the singularities of my life, and the oddities of my disposition. The
extreme desire I had, the public should think of me was precisely what
discouraged me from showing myself; and the necessity of paying visits
rendered them to such a degree insupportable, that I ceased visiting the
academicians and other men of letters, with whom I had cultivated an
acquaintance. Marivaux, the Abbe Malby, and Fontenelle, were almost the
only persons whom I sometimes went to see. To the first I showed my
comedy of Narcissus. He was pleased with it, and had the goodness to
make in i