Milton Friedman could convey profound concepts in a sublimely concise and approachable way. Here are three examples that are most apropos for current events:
"If you put the federal government in charge of the Sahara Desert, in 5 years there'd be a shortage of sand."Very wise guy, that Milton Friedman...
"Concentrated power is not rendered harmless by the good intentions of those who create it."
"Underlying most arguments against the free market is a lack of belief in freedom itself."