Many things which we take for granted have had to be laboriously fought out or thought out in past times. - Oliver Wendell Holmes

I have no respect for the passion of equality, which seems to me merely idealizing envy.

When men have realized that time has upset many fighting faiths, they may come to believe even more than they believe the very foundations of their own conduct that the ultimate good desired is better reached by free trade in ideas – that the best test of truth is the power of the thought to get itself accepted in the competition of the market, and that truth is the only ground upon which their wishes safely can be carried out. That, at any rate, is the theory of our Constitution. It is an experiment, as all life is an experiment.

I always say, as you know, that if my fellow citizens want to go to Hell I will help them. It's my job.