As soon as we cease to pry about at random, we shall come to rely upon accredited bodies of authoritative dogma; and as soon as we come to rely upon accredited bodies of authoritative dogma, not only are the days of our liberty over, but we have lost the password that has hitherto opened to us the gates of success as well.

Life is made up of a series of judgments on insufficient data, and if we waited to run down all our doubts, it would flow past us.

Liberty lies in the hearts of men and women; when it dies there, no constitution, no law, no court can save it ... The 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 understand the minds of other men and women; the spirit of liberty is the spirit which weighs their interests alongside its own without bias.

Here I am an old man in a long nightgown making muffled noises at people who may be no worse than I am.

You cannot raise the standard against oppression, or leap into the breach to relieve injustice, and still keep an open mind to every disconcerting fact, or an open ear to the cold voice of doubt.

If we are to keep our democracy, there must be one commandment: thou shalt not ration justice.

Every smallest step of modern industry depends upon a cooperation whose maintenance and regulation is the very stuff of law.