He had told her that he would murder her; and in the state of mind to which his fury had driven him, murder had suggested itself to him as a resource to which he might apply himself. But what could he gain by murdering her,--or, at any rate, by murdering her then, out on the mountain-side? 
He had told her that he would murder her; but what could he gain by murdering her out on the mountain-side? 