We no longer love our knowledge enough once we have passed it on.
Denn was ist Freiheit? Dasz man den Willen zur Selbstverantwortlichkeit hat.
Every attainment, every step forward in knowledge, follows from courage, from hardness against oneself, from cleanliness in relation to oneself.
The most perfidious way of harming a cause consists of defending it deliberately with faulty arguments.
The anarchist and the Christian have a common origin.
Only with the ultimate knowledge of all things will man have come to know himself. For things are but the boundaries of man.