John Maynard Keynes

The difficulty lies, not in the new ideas, but in escaping the old ones, which ramify, for those brought up as most of us have been, into every corner of our minds.

The political problem of mankind is to combine three things: economic efficiency, social justice and individual liberty.

Markets can remain irrational longer than you can remain solvent.

Americans are apt to be unduly interested in discovering what average opinion believes average opinion to be.

Nothing mattered except states of mind, chiefly our own.

The social object of skilled investment should be to defeat the dark forces of time and ignorance which envelope our future.

Education: the inculcation of the incomprehensible into the indifferent by the incompetent.

It is better to be roughly right than precisely wrong.