...invited certain Harvard students to read it with him, and rich were the hours they had over this book. "I am at present," he wrote, "engaged in the study...difficult; but this ties the brain up in knots." He would attend at times in Boston German religious services on Sunday, in order to familiarize himself...

...philosophy at night. "I am at present," he wrote, "engaged in the study of a work on the latest schoo^ of German philosophy. It is by Dr. Ott of Paris, and...pretty difficult, but this ties the brain up in knots." Now he reads German and goes to a German church to learn to speak it. He studies Greek philosophy and...