It is merely a linguistic peculiarity, not a logical fact, that we say "that is red" instead of "that reddens," either in the sense of growing, becoming, red, or in the sense of making something else red.

We never educate directly, but indirectly by means of the environment. Whether we permit chance environments to do the work, or whether we design environments for the purpose makes a great difference.

Language exists only when it is listened to as well as spoken. The hearer is an indispensable partner.

As believers in democracy we have not only the right but the duty to question existing mechanisms of, say, suffrage and to inquire whether some functional organization would not serve to formulate and manifest public opinion better than the existing methods. It is not irrelevant to the point that a score of passages could be cited in which Jefferson refers to the American Government as an experiment.

One might as well say he has sold when no one has bought as to say he has taught when no one has learned.

To be born, to live and to die is merely to change forms... And what does one form matter any more than another?... Each form has its own sort of happiness and unhappiness. From the elephant down to the flea... from the flea down to the sensitive and living molecule which is the origin of all, there is not a speck in the whole of nature that does not feel pain or pleasure.

One of the saddest things about US education is that the wisdom of our most successful teachers is lost to the profession when they retire.