Agency presupposes choice.

The main characteristic of play - whether of child or adult - is not it content but its mode. Play is an approach to action, not a form of activity.

We are only now on the threshold of knowing the range of the educability of man-the perfectibility of man. We have never addressed ourselves to this problem before.

There is a deep question whether the possible meanings that emerge from an effort to explain the experience of art may not mask the real meanings of a work of art.

Telling others about oneself is...no simple matter. It depends on what we think they think we ought to be like

Grasping the structure of a subject is understanding it in a way that permits many other things to be related to it meaningfully. To learn structure in short, is to learn how things are related.

In the perception of the incongruous stimuli, the recognition process is temporarily thwarted and exhibits characteristics which are generally not observable in the recognition of more conventional stimuli.