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.

Experience is of particulars only.

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?"

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.

Give a small boy a hammer and he will find that everything he encounters needs pounding.

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.

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