Few students in Germany reside during their whole course of study at one university. The student year is divided into two so-called semesters. The student remains, say, in Heidelberg two years or perhaps less, and then moves on, let us say, to Berlin, or Goettingen, or Leipsic, or Kiel, to hear lectures by other professors, and to get and to see something of the best work in law, theology, medicine, history, or belles-lettres, along the lines of his chosen work. One can hardly say too much in praise of this system. Many a medical, or law, or theological, or philosophical student, or one who is going in for a scientific course in engineering or mining, would profit enormously could he go from Harvard to Yale, or to Johns Hopkins, or to Princeton, or to Columbia, and attend the lectures of the best men at these and other universities. Many a man would have gone eagerly to Harvard to hear James in philosophy, Peirce in mathematics, Abbot in exegesis, or to read Greek with Palmer; or to Yale to have heard Whitney in philology in my day; or now, to name but a few, Van Dyke at Princeton, Sloane at Columbia, Wheeler at the University of California, Paul Shorey at Chicago, and many others are men whom not to know and to hear in one's student days is a loss. The German student is at a distinct advantage in this privilege of hearing the best men at whatever university they may be. The number of students, indeed, at particular German universities rises and falls in a large measure according to the fame and ability of the professors who may be lecturing there. One can readily imagine how such men as Hegel, or Ranke, or Mommsen, who lectured at Berlin; or Liebig or Doellinger, at Munich; or Ewald, at Goettingen; or Sybel, at Bonn; or Leibnitz or Schlegel, in their day, or Kuno Fischer, in my day, at Heidelberg, must have drawn students from all parts of Germany; just as do Harnack, and Schmidt, and Lamprecht, and Adolph Wagner, Schmoller, or Gierke, or Schiemann, or Wach, Haeckel, List, Deitsch, Hering, or Verworm, in these days. Though the German professors are somewhat hampered by the fact that they are servants of the state, and their opinions therefore on theological, political, and economic matters restricted to the state's views, they are free as no other teachers in the world to exploit their intellectual prowess for the benefit of their purses. Each student pays each professor whose lectures he attends, and as a result there are certain professors in Germany whose incomes are as high as $50,000 a year.