Secrecy is thus, so to speak, a transition stadium between being and not-being.

Cities are, first of all, seats of the highest economic division of labor.

He is educated who knows how to find out what he doesn't know.

The calculative exactness of practical life which the money economy has brought about corresponds to the ideal of natural science: to transform the world by mathematical formulas. Only money economy has filled the days of so many people with weighing, calculating, with numerical determinations, with a reduction of qualitative values to quantitative ones.

Secrecy is thus, so to speak, a transition stadium between being and not-being.

Nothing more can be attempted than to establish the beginning and the direction of an infinitely long road. The pretension of any systematic and definitive completeness would be, at least, a self-illusion. Perfection can here be obtained by the individual student only in the subjective sense that he communicates everything he has been able to see.

Secrecy sets barriers between men, but at the same time offers the seductive temptation to break through the barriers by gossip or confession.