The idea that an aim can be reasonable for its own sake—on the basis of virtues that insight reveals it to have in itself—without reference to some k… - Max Horkheimer

We cannot credit our enjoyment of a flower or of the atmosphere of a room to an autonomous esthetic instinct. Man’s esthetic responsiveness relates in its prehistory to various forms of idolatry; his belief in the goodness or sacredness of a thing precedes his enjoyment of its beauty. The applies no less to such concepts as freedom and humanity.

If this truth has once and for all been discarded and men have decided for integral adjustment, if reason has been purged of all morality regardless of cost, and has triumphed over all else, no one may remain outside and look on. The existence of one solitary "unreasonable" man elucidates the shame of the entire nation. His existence testifies to the relativity of the system of radical self-preservation that has been posited as absolute.

Whoever desires to live among men has to obey their laws—this is what the secular morality of Western civilization comes down to. … Rationality in the form of such obedience swallows up everything, even the freedom to think.