author: karl r popper

... easy to talk when you don't know.You madden yourself with words ... But when ... made with open eyes; and since we use our imagination very little", we only ... theory has a certain analogy in scientific method. For in science, too, we do ...

... Marx's summary: “If the productivity of labour is doubled then, if the ratio of necessary labour to surplus labour ... summary in the foregoing note, is therefore not correct wherever he speaks of prices'; for prices' are values ...