There is no common understanding, and no community life. But in a shared activity, each person refers what he is doing to what the other is doing and vice-versa.

Understanding one another means that objects, including sounds, have the same value for both with respect to carrying on a common pursuit.

No system has ever as yet existed which did not in some form involve the exploitation of some human beings for the advantage of others.

We cannot set up, out of our heads, something we regard as an ideal society.

A good aim surveys the present state of experience of pupils, and forming a tentative plan of treatment, keeps the plan constantly in view and yet modifies it as conditions develop. The aim, in short, is experimental, and hence constantly growing as it is tested in action.

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.

We have already noticed the difference in the attitude of a spectator and of an agent or participant. The former is indifferent to what is going on; one result is just as good as another, since each is just something to look at. The latter is bound up with what is going on; its outcome makes a difference to him.