"Made of...powerful pleadings, carnal"? Hard to understand this

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Here:



Seven Pillars of Wisdom – Day 148 of 240
The greatest asset of Feisal’s cause in this work up North was Sherif Ali ibn el Hussein. The lunatic competitor of the wilder tribesmen in their wildest feats was now turning all his force to greater ends. The mixed natures in him made of his face and body powerful pleadings, carnal, perhaps, except in so far as they were transfused by character. No one could see him without the desire to see him again; especially when he smiled, as he did rarely, with both mouth and eyes at once. His beauty was a conscious weapon. He dressed spotlessly, all in black or all in white; and he studied gesture.

Fortune had added physical perfection and unusual grace, but these qualities were only the just expression of his powers. They made obvious the pluck which never yielded, which would have let him be cut to pieces, holding on. His pride broke out in his war-cry, ‘I am of the Harith’, the two-thousand-year-old clan of freebooters; while the huge eyes, white with large black pupils slowly turning in them, emphasized the frozen dignity which was his ideal carriage, and to which he was always striving to still himself. But as ever the bubbling laugh would shriek out of him unawares; and the youth, boyish or girlish, of him, the fire and deviltry would break through his night like a sunrise.

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