He knew that he had come perilously near to the borderland beyond which are gibbering, mowing things: that he had stood upon the frontier of insanity; and realizing the futility of such reflections, he struggled to banish them from his mind, for his mind was not yet healed—and he must be whole, be sane, if he would take part in the work, which, now, strangers were doing, whilst he—whilst he was a useless hulk.

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