I would urge that the yeast of education is the idea of excellence, and the idea of excellence comprises as many forms as there are individuals, each of whom develops his own image of excellence. The school must have as one of its principal functions the nurturing of images of excellence.

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.

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.

There is, perhaps, one universal truth about all forms of human cognition: the ability to deal with knowledge is hugely exceeded by the potential knowledge contained in man's environment. To cope with this diversity, man's perception, his memory, and his thought processes early become governed by strategies for protecting his limited capacities from the confusion of overloading. We tend to perceive things schematically, for example, rather than in detail, or we represent a class of diverse things by some sort of averaged "typical instance.

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.

Knowledge helps only when it descends into habits.

Teaching is the canny art of intellectual temptation