[In] the realm of science, ... what we have achieved will be obsolete in ten, twenty or fifty years. That is the fate, indeed, that is the very meaning of scientific work. ... Every scientific "fulfillment" raises new "questions" and cries out to be surpassed rendered obsolete. Everyone who wishes to serve science has to resign himself to this.

Charisma is the gift from above where a leader knows from inside himself what to do.

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

Man does not by nature wish to earn more and more money.

Nothing is worthy of man as man unless he can pursue it with passionate devotion.

No sociologist should think himself too good, even in his old age, to make tens of thousands of quite trivial computations in his head and perhaps for months at a time.

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.