If there is any principle of the Constitution that more imperatively calls for attachment than any other it is the principle of free thought, not free thought for those who agree with us but freedom for the thought that we hate.

Every real thought on every real subject knocks the wind out of somebody or other.

The minute a phrase, becomes current, it becomes an apology for not thinking accurately to the end of the sentence.

The law is the witness and external deposit of our moral life. Its history is the history of the moral development of the race.

I think that we should be eternally vigilant against attempts to check the expression of opinions that we loathe and believe to be fraught with death, unless they so imminently threaten immediate interference with the lawful and pressing purposes of the law that an immediate check is required to save the country.

Old age is fifteen years older than I am.

But I have long thought that if you knew a column of advertisements by heart, you could achieve unexpected felicities with them. You can get a happy quotation anywhere if you have the eye.