Book 10
3.20
As a result our language tends not merely to be haphazard and formless, but in our desire to produce a continuous flow we let slip positive improprieties of diction, which show neither the precision of the writer nor the impetuosity of the speaker. Again, if the amanuensis is a slow writer, or lacking in intelligence, he becomes a stumbling-block, our speed is checked, and the thread of our ideas is interrupted by the delay or even perhaps by the loss of temper to which it gives rise.
3.21
Moreover, the gestures which accompany strong feeling, and sometimes even serve to stimulate the mind, the waving of the hand, the contraction of the brow, the occasional striking of forehead or side, and those which Persius i. 106. notes when he describes a trivial style as one that Thumps not the desk nor smacks of bitten nails, all these become ridiculous, unless we are alone, Finally,
3.22
we come to the most important consideration of all, that the advantages of privacy are lost when we dictate. Everyone, however, will agree that the absence of company and deep silence are most conducive to writing, though I would not go so far as to concur in the opinion of those who think woods and groves the most suitable localities for the purpose, on the ground that the freedom of the sky and the charm of the surroundings produce sublimity of thought and wealth of inspiration.