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 FriedmanOn aging societies, there is no reason why a country that has a lot of old people can't be prosperous if, during their working lives, individuals provide for their retirement.
Milton FriedmanI believe that the monetary stability is an absolutely critical element in the satisfactory operation of a system.
Milton FriedmanThe great virtue of a free market is that it enables people who hate each other, or who are from vastly different religious or ethnic backgrounds, to cooperate economically. Government intervention can't do that.
Milton Friedman