But there is yet another motive which is more cogent than all the others: the South might indeed, rigorously speaking, abolish slavery; but how should it rid its territory of the black population? Slaves and slavery are driven from the North by the same law, but this twofold result cannot be hoped for in the South.英文原著 · 《Democracy In America-1》
He kissed her, and tried to comfort her, and said he would not tell her any more. But she said somewhat characteristically, "I insist on your telling me all--all. It will kill me." Which did not seem to Alfred a cogent reason for continuing his narrative. He varied it by telling her that through all his misery the thought of her had sustained him. Alas, in the midst of their Elysium a rough voice was heard in the passage inquiring for Mr. Hardie. Alfred started up in dismay: for it was Rooke's voice. "I am undone," he cried.英文原著 · 《Hard Cash》
To these qualities of the orator in general Otis added the power of applying himself to the facts; also the power of cogent reasoning and masterful search for the truth which gained for him at length the fame of first orator of the revolution. The passion and vehemence of the man made him at times censorious and satirical. His manner towards his opponents was at times hard to bear. His wit was of that sarcastic kind which, like a hot wind, withers its object.英文原著 · 《James Otis The Pre-Revolutionist》
Even this cogent reasoning failed in provoking Cosway to reply. He took Stone's hat, and handed it with the utmost politeness to his foreboding friend. "There's only one remedy for such a state of mind as yours," he said. "Come to the theater."英文原著 · 《LITTLE NOVELS》
No matter how hard he stares at your countenance, he should never be able to read his fate in it. It should be cheerful as long as there is hope, and serene in its gravity when nothing is left but resignation. The face of a physician, like that of a diplomatist, should be impenetrable. Nature is a benevolent old hypocrite; she cheats the sick and the dying with illusions better than any anodynes. If there are cogent reasons why a patient should be undeceived, do it deliberately and advisedly, but do not betray your apprehensions through your tell-tale features.英文原著 · 《Medical Essays》
And you also have a note from your mother That says, "i love you, bubula." But neither of those is a cogent argument For titanium over nanotubes.美剧 · 《The Big Bang Theory》