A highly developed stock exchange cannot be a club for the cult of ethics.

The career of politics grants a feeling of power. The knowledge of influencing men, of participating in power over them, and above all, the feeling of holding in one's hands a nerve fiber of historically important events can elevate the professional politician above everyday routine even when he is placed in formally modest positions.

Only by strict specialization can the scientific worker become fully conscious, for once and perhaps never again in his lifetime, that he has achieved something that will endure. A really definitive and good accomplishment is today always a specialized act.

The impulse to acquisition, pursuit of gain, of money, of the greatest possible amount of money, has in itself nothing to do with capitalism. This impulse exists and has existed among waiters, physicians, coachmen, artists, prostitutes, dishonest officials, soldiers, nobles, crusaders, gamblers, and beggars.

All research in the cultural sciences in an age of specialization, once it is oriented towards a given subject matter through particular settings of problems and has established its methodological principles, will consider the analysis of the data as an end in itself.

Ideas come when we do not expect them, and not when we are brooding and searching at our desks. Yet ideas would certainly not come to mind had we not brooded at our desks and searched for answers with passionate devotion.

Within the confines of the lecture hall, no other virtue exists but plain intellectual integrity.