The price of training is always a certain trained incapacity: the more we know how to do something, the harder it is to learn to do it differently.

There is nothing more inspiring than having a mind unfold before you. Let people teach who have a calling. It is never just a job.

In addition to the social pressures from the scientific community there is also at work a very human trait of individual scientist. I call it the law of the instrument , and it may be formulated as follows: Give a small boy a hammer, and he will find that everything he encounters needs pounding. It comes as no particular surprise to discover that a scientist formulates problems in a way which requires for their solution just those techniques in which he himself is especially skilled.

We are forever asking Nature whether it has stopped beating its wife.

Every discipline develops standards of professional competence to which its workers are subject... Every scientific community is a society in the small, so to speak, with its own agencies of social control.

The price of training is always a certain trained incapacity: the more we know how to do something, the harder it is to learn to do it differently.

To get at the meaning of a statement the logical positivist asks, "What would the world be like if it were true?" The operationist asks, "What would we have to do to come to believe it?" For the pragmatist the question is, "What would we do if did believe it?"