The notion that "applied" knowledge is somehow less worthy than "pure" knowledge, was natural to a society in which all useful work was performed by slaves and serfs, and in which industry was controlled by the models set by custom rather than by intelligence. Science, or the highest knowing, was then identified with pure theorizing, apart from all application in the uses of life; and knowledge relating to useful arts suffered the stigma attaching to the classes who engaged in them.

The theory of the method of knowing which is advanced in these pages may be termed pragmatic. ... Only that which has been organized into our disposition so as to enable us to adapt the environment to our needs and adapt our aims and desires to the situation in which we live is really knowledge.

The most important factor in the training of good mental habits consists in acquiring the attitude of suspended conclusion, and in mastering the various methods of searching for new materials to corroborate or to refute the first suggestions that occur.

In a world that has so largely engaged in a mad and often brutally harsh race for material gain by means of ruthless competition, it behooves the school to make ceaseless and intelligently organized effort to develop above all else the will for co-operation and the spirit which sees in every other individual one who has an equal right to share in the cultural and material fruits of collective human invention, industry, skill and knowledge

Within even the most social group there are many relations that are not as yet social.

Traveling is a constant arriving, while arrival that precludes further traveling is most easily attained by going to sleep or dying.

Conflict is the gadfly of thought. It stirs us to observation and memory. It instigates invention. It shocks us out of sheep-like passivity, and sets us at noting and contriving…conflict is a sine qua non of reflection and ingenuity.