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.

We always live at the time we live and not at some other time, and only by extracting at each present time the full meaning of each present experience are we prepared for doing the same thing in the future.

In the present state of the world, it is evident that the control we have gained of physical energies, heat, light, electricity, etc., without having first secured control of our use of ourselves is a perilous affair. Without the control of our use of ourselves, our use of other things is blind; it may lead to anything.

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.

Every society gets encumbered with what is trivial, with dead wood from the past, and with what is positively perverse.

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.

As believers in democracy we have not only the right but the duty to question existing mechanisms of, say, suffrage and to inquire whether some functional organization would not serve to formulate and manifest public opinion better than the existing methods. It is not irrelevant to the point that a score of passages could be cited in which Jefferson refers to the American Government as an experiment.