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

The truth seems . . . to be that in the ultimate and essential problem the economic factor is relatively superficial and unimportant.

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.

The possibility of saying anything about a thing rests on the assumption that it preserves its identity, or continues to be the same thing in the respect described, that it will behave in future situations as it has in past.

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.

It is true practically if not altogether without exception that the changes studied by any science tend to equilibrate or neutralize the forces which bring them about, and finally to come to rest.