He assumed unquestioningly that the other must know.

So entirely had he thrown himself into his ambition of making a suitable position for Helen, so continually had he dwelt on it in his thoughts, so earnestly had he striven for it in every step of the great game he was beginning to play, that it never occurred to him he should also concede a definite outward manifestation of his feeling in order to assure its acceptance.

Thorpe believed that he had sacrificed every thought and effort to his sister.
Helen was becoming convinced that he had considered only himself.
After finishing the letter which gave occasion to this train of thought, Thorpe lit his pipe and strolled out into the darkness.

Opposite the little office he stopped amazed.
Through the narrow window he could see Radway seated in front of the stove.

Every attitude of the man denoted the most profound dejection.