The probability of the people in power being individuals who would dislike the possession and exercise of power is on a level with the probability that an extremely tender-hearted person would get the job of whipping-master in a slave plantation.

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

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.

Costs merely register competing attractions.

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.

There is no sense in making statements that will not continue to be true after they are made.

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