I believe that the only true education comes through the stimulation of the child's powers by the demands of the social situations in which he finds himself.

Thought is impossible without words.

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.

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.

Without initiation into the scientific spirit one is not in possession of the best tools which humanity has so far devised for effectively directed reflection. One in that case not merely conducts inquiry and learning without the use of the best instruments, but fails to understand the full meaning of knowledge.

You cannot teach today the same way you did yesterday to prepare students for tomorrow.

The life of the ancient Greeks and Romans has profoundly influenced our own, and yet the ways in which they affect us do not present themselves on the surface of our ordinary experiences.