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.

"Thinking about thinking" has to be a principle ingredient of any empowering practice of education.

Agency presupposes choice.

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.

We cannot, even given our most imaginative efforts, construct a concept of Self that does not impute some causal influence of prior mental states on later ones.

Understanding something in one way does not preclude understanding it in other ways.

We carry with us habits of thought and taste fostered in some nearly forgotten classroom by a certain teacher.