Even God has been defended with nonsense.

No mariner ever enters upon a more uncharted sea than does the average human being born in the 20th century. Our ancestors know their way from birth through eternity; we are puzzled about the day after tomorrow.

When philosophers try to be politicians they generally cease to be philosophers.

Our conscience is not the vessel of eternal verities. It grows with our social life, and a new social condition means a radical change in conscience.

And the principle which distinguishes democracy from all other forms of government is that in a democracy the opposition not only is tolerated as constitutional but must be maintained because it is in fact indispensable.

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

We must protect the right of our opponents to speak because we must hear what they have to say.