“Now, my friends, one step of our work is done, one the most harrowing to ourselves. But there remains a greater task: to find out the author of all this our sorrow and to stamp him out. I have clues which we can follow; but it is a long task, and a difficult, and there is danger in it, and pain. Shall you not all help me? We have learned to believe, all of us⁠—is it not so? And since so, do we not see our duty? Yes! And do we not promise to go on to the bitter end?”

Each in turn, we took his hand, and the promise was made. Then said the Professor as we moved off:⁠—