All discussion, all debate, all dissidence tends to question and in consequence, to upset existing convictions; that is precisely its purpose and its justification.
Learned HandThe mutual confidence on which all else depends can be maintained only by an open mind and a brave reliance upon free discussion.
Learned HandThe spirit of liberty is the spirit which is not too sure that it is right; the spirit of liberty is the spirit which seeks to understands the minds of other men and women.
Learned Hand