Language exists only when it is listened to as well as spoken. The hearer is an indispensable partner.

If we teach today’s students as we taught yesterday’s, we rob them of tomorrow.

Those engaged in directing the actions of others are always in danger of overlooking the importance of the sequential development of those they direct.

To "learn from experience" is to make a backward and forward connection between what we do to things and what we enjoy or suffer from things in consequence.

It is commonplace that a problem stated is well on its way to solution, for statement of the nature of a problem signifies that the underlying quality is being transformed into determinate distinctions of terms and relations or has become an object of articulate thought.

There's all the difference in the world between having something to say, and having to say something.

Politics is the shadow cast on society by big business.