Whenever known and sufficient causes are available, it is anti-scientific to discard them in favour of a hypothesis that can never be verified.

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.

Precision, speed, unambiguity, knowledge of files, continuity, discretion, unity, strict subordination, reduction of friction and of material and personal costs - these are raised to the optimum point in the strictly bureaucratic administration.

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.

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.

Either one lives for politics or one lives off politics.

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