In duty the individual acquires his substantive freedom

The more certain our knowledge the less we know.

Genuine tragedies in the world are not conflicts between right and wrong. They are conflicts between two rights.

When Philosophy with its abstractions paints grey in grey, the freshness and life of youth has gone, the reconciliation is not a reconciliation in the actual, but in the ideal world.

The Few assume to be the deputies, but they are often only the despoilers of the Many.

Genuine tragedy is a case not of right against wrong but of right against right - two equally justified ethical principles embodied in people of unchangeable will.

The spirit is never at rest, but always engaged in progressive motion, giving itself new form.