those days I plucked and ate by the dozen of the fruits of the tree of self-knowledge, and I found them very bitter. I ended by leaving Elmira, to seek my fortunes elsewhere. I knew my trade well. Long practice had taught me how to make the best of my learning, and I never had any difficulty in finding employment. I taught successively in upwards of a dozen States of the Union. I can scarcely recollect the names of all the places where I have lived—Sacramento, Chicago, St. Louis, Cincinnati, Boston, New York; I have been everywhere—everywhere. And everywhere I have met with the same rude schoolboys, just as I have found the same regular and irregular verbs in Latin and Greek. If you would see a man thoroughly satiated and saturated with schoolboys and classical grammars, look at me.
"In the leisure time which, whatever might be my work, I still contrived to make for myself, I indulged in philosophical reflections. Then it was I took to the habit of smoking so much."
Warren stopped suddenly, and, looking straight before him, appeared plunged in thought. Then, passing his hand over his forehead, he repeated, in an absent manner, "Yes, of smoking so much. I also took to another habit," he added, somewhat hastily; "but that has nothing to do with my story. The theory which especially occupied my thoughts was that of the oscillations of an
