Plutarch Quaestiones Convivales 8.3.5

[5] To this Thrasyllus, Ammonius’s son, subjoining said: What is the matter, for God’s sake, that we endeavor to solve this difficulty by the unintelligible fancied motion of the air, and never consider the tossing and divulsion thereof, which are sensible and evident? For Jupiter, the great ruler above, doth not covertly and silently move the little particles of air; but as soon as he appears, he stirs up and moves every thing. and they obey; and (as Democritus saith) with new thoughts for each new day, as if newly born again, they fall to their worldly concerns with noisy and effectual contrivances. And upon this account, Ibycus appositely calls the dawning κλυτόν (from κλύειν, to hear), because then men first begin to hear and speak. Now at night, all things being at rest, the air being quiet and undisturbed must therefore probably transmit the voice better, and convey it whole and unbroken to our ears.