"Social responsibility is a fundamentally subversive doctrine" in a free society, and have said that in such a society, "there is one and only one so… - Milton Friedman

Adam Smith’s key insight was that both parties to an exchange can benefit and that, so long as cooperation is strictly voluntary, no exchange will take place unless both parties do benefit.

I’m in favor of legalizing drugs. According to my values system, if people want to kill themselves, they have every right to do so. Most of the harm that comes from drugs is because they are illegal.

Those of us who believe in freedom must believe also in the freedom of individuals to make their own mistakes. If a man knowingly prefers to live for today, to use his resources for current enjoyment, deliberately choosing a penurious old age, by what right do we prevent him from doing so? We may argue with him, seek to persuade him that he is wrong, but are we entitled to use coercion to prevent him from doing what he chooses to do? Is there not always the possibility that he is right and that we are wrong? Humility is the distinguishing virtue of the believer in freedom; arrogance, of the paternalist.