We do not influence the course of events by persuading people that we are right when we make what they regard as radical proposals. Rather, we exert influence by keeping options available when something has to be done at a time of crisis.

The Great Depression was not a sign of the failure of monetary policy or a result of the failure of the market system as was widely interpreted. It was instead a consequence of a very serious government failure, in particular a failure in the monetary authorities to do what they'd initially been set up to do.

The true test of any scholar's work is not what his contemporaries say, but what happens to his work in the next 25 or 50 years. And the thing that I will really be proud of is if some of the work I have done is still cited in the text books long after I am gone.

Government has three primary functions. It should provide for military defense of the nation. It should enforce contracts between individuals. It should protect citizens from crimes against themselves or their property. When government-- in pursuit of good intentions tries to rearrange the economy, legislate morality, or help special interests, the cost come in inefficiency, lack of motivation, and loss of freedom. Government should be a referee, not an active player.

You know there are very few Marxists left in the world... they're all in American universities.

Had drugs been decriminalized, crack would never have been invented and there would today be fewer addicts... The ghettos would not be drug-and-crime-infested no-man's lands... Colombia, Bolivia and Peru would not be suffering from narco-terror, and we would not be distorting our foreign policy because of it.

The only relevant test of the validity of a hypothesis is comparison of prediction with experience.