Jean-Jacques Rousseau,
Émile; Or, Concerning Education…
“ We have therefore fuller means of cultivating hearing, by exercising its active and passive organs upon one another. The Voice. Man has three kinds of voice: the speaking or articulate voice, the singing or melodious voice, and the pathetic or accented voice, which gives language to passion and animates song and speech. A child has these three kinds of voice as well as a man, but he does not know how to blend them in the same way. Like his elders he can laugh, cry, complain, exclaim, and groan. ”
