Again he took observations, and again the results were the same. A weariness of the spirit swept over him. The dark waters of despair seemed to inundate his very soul. To have been physically exhausted would have been a relief. To know the blessedness of but an hour's sound sleep, to be free from this terrible tension—
He sank down upon a seat and buried his head in his hands, and as he sat, striving to quiet his worn and troubled mind there came to him an idea—nay, more than an idea, an inspiration, by which he would overcome the formidable difficulties that beset him.
An idea, so simple that, having once formulated it, it seemed ridiculous not to have thought of it before.
His soul-weariness fell from him like a discarded garment. He sprang to his feet, once more the scientist, the ma
