You can only make money if you buy a product, whatever it is - maybe a currency, maybe wheat and maybe something else - at a relatively low price and sell it at a higher price than you buy it at. There's no other way to make money.
Milton FriedmanThanks to economists, all of us, from the days of Adam Smith and before right down to the present, tariffs are perhaps one tenth of one percent lower than they otherwise would have been. And because of our efforts, we have earned our salaries ten-thousand fold.
Milton FriedmanThe evidence of history speaks with a single voice. I do not know any exception to the proposition that if you compare like with like, the freer the system, the better off the ordinary poor people have been.
Milton FriedmanYou will find that hardly a soul who will say that it was a bad thing. Almost everybody will say it was a good thing. 'But what about today? Do you think we should have free immigration?' 'Oh, no,' they'll say, 'We couldn't possibly have free immigration today. Why, that would flood us with immigrants from India, and God knows where. We'd be driven down to a bare subsistence level.'
Milton Friedman