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In page Convention of Chuenpi:

"

There was an appearance of constraint about him, as if his mind was downcast, and his heart burdened and heavy laden. He never indeed for a moment lost his self-possession, or that dignified courtesy of manner which no people can better assume than the Chinese of rank; but there was still something undefinable in his bearing, which impressed upon all present the conviction that something untoward had happened.[5]