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.

Continuity of life means continual readaptation of the environment to the needs of living organisms.

While every social arrangement is educative in effect, the educative effect first becomes an important part of the purpose of the association in connection with the association of the older with the younger.

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.

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

A response is not just a re-action, a protest, as it were, against being disturbed; it is, as the word indicates, an answer. It meets the stimulus, and corresponds with it.

How many students ... were rendered callous to ideas, and how many lost the impetus to learn because of the way in which learning was experienced by them?