Intellectually religious emotions are not creative but conservative. They attach themselves readily to the current view of the world and consecrate it.

The interaction of knowledge and skills with experience is key to learning.

Unless our laboratory results are to give us artificialities, mere scientific curiosities, they must be subjected to interpretation by gradual re-approximation to conditions of life.

A person who is trained to consider his actions, to undertake them deliberately, is in so far forth disciplined. Add to this ability a power to endure in an intelligently chosen course in the face of distraction, confusion, and difficulty, and you have the essence of discipline.

One of the saddest things about US education is that the wisdom of our most successful teachers is lost to the profession when they retire.

As societies become more complex in structure and resources, the need of formal or intentional teaching and learning increases.

It requires troublesome work to undertake the alteration of old beliefs.