What a myth never contains is the critical power to separate its truth from its errors.

Freedom to speak... can be maintained only by promoting debate.

There is nothing so good for the human soul as the discovery that there are ancient and flourishing civilized societies which have somehow managed to exist for many centuries and are still in being though they have had no help from the traveler in solving their problems.

It is so much easier to talk of poverty than to think of the poor, to argue the rights of capital than to see its results. Pretty soon we come to think of the theories and abstract ideas as things in themselves.

The radical novelty of modern science lies precisely in the rejection of the belief... that the forces which move the stars and atoms are contingent upon the preferences of the human heart.

In government offices which are sensitive to the vehemence and passion of mass sentiment public men have no sure tenure. They are in effect perpetual office seekers, always on trial for their political lives, always required to court their restless constituents.

Democracy is much too important to be left to public opinion.