Freedom comes only to those who no longer ask of life that it shall yield them any of those personal goods that are subject to the mutations of time.

As soon as it is held that any belief, no matter what, is important for some other reason than that it is true, a whole host of evils is ready to spring up.

I think the subject which will be of most importance politically is Mass Psychology... Its importance has been enormously increased by the growth of modern methods of propaganda. Although this science will be diligently studied, it will be rigidly confined to the governing class. The populace will not be allowed to know how its convictions are generated.

I am compelled to fear that science will be used to promote the power of dominant groups rather than to make men happy.

Conquer the world by intelligence, and not merely by being slavishly subdued by the terror that comes from it.

One's work is never so bad as it appears on bad days, nor so good as it appears on good days.

In America everybody is of the opinion that he has no social superiors, since all men are equal, but he does not admit that he has no social inferiors, for, from the time of Jefferson onward, the doctrine that all men are equal applies only upwards, not downwards.