Conflicting economic interest is relatively unimportant as a cause of war.

Knowledge is more a matter of learning than of the exercise of absolute judgment. Learning requires time, and in time the situation dealt with, as well as the learner, undergoes change.

If all properly economic problems were solved once for all . . . the social struggle and strife would . . . [not necessarily] be reduced in amount or intensity . . . in the absence of some moral revolution which could by no means be assumed to follow in consequence of this change itself.

In the long run all producers are forced to use the most efficient methods or give place to others who do.

We have to adapt and overcome, that's all we can do.

Large scale collective bargaining . . . is merely a seductive name for bilateral monopoly, and means either adjudication of conflicts in terms of power, or deadlock and stoppage, usually injuring outside people more than the immediate parties to the dispute.

All science is static in the sense that it describes the unchanging aspects of things.