This kind of vigilance is still the greatest weapon against all kinds of attack — for, as RobertLouisStevenson wrote, "the cruelest lies are often told in silence."
这种警惕也是对付所有类型攻击的最有力武器——就如robert Louis Stevenson所写的，“最残酷的谎言常常是悄无声息地说出来的”。
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Twenty days later, on October 25, 1949, a correspondent identified only as FPD let Hanff know that works by Hazlitt and RobertLouisStevenson would be coming under separate cover.