eccentricities and possible impossibilities that my imagination was getting fired. I had a dim idea that he was teaching me some lesson, as long ago he used to do in his study at Amsterdam. But he used them to tell me the thing, so that I could have the object of thought in mind all the time. But now I was without his help, yet I wanted to follow him, so I said,

“Professor, let me be your pet student again. Tell me the thesis, so that I may apply your knowledge as you go on. At present I am going in my mind from point to point as a madman, and not a sane one, follows an idea. I feel like a novice lumbering through a bog in a midst, jumping from one tussock to another in the mere blind effort to move on without knowing where I am going.”

“That is a good image,” he said.