Quint. I. 5, 72. The whole chapter is most interesting.
 How different has been the lot of Greek! An educated Greek at the present day would find little difficulty in understanding Xenophon or Menander. The language, though shaken by rude convulsions, has changed according to its own laws, and shown that natural vitality that belongs to a genuinely popular speech.
 See Conington on the Academical Study of Latin. Post. Works, i. 206.
 See esp. R. II. Bk. 1, ch. ix. and xv.