We must shed the illusion that we can deliberately "create the future of mankind." This is the final conclusion of the forty years which I have now devoted to the study of these problems

And who will deny that a world in which the wealthy are powerful is still a better world than one in which only the already powerful can acquire wealth?

It seems to be almost a law of human nature that it is easier for people to agree on a negative program - on the hatred of an enemy, on the envy of those better off - than on any positive task.

Perhaps even more than elsewhere current notions of what is desirable and practicable are here still of a kind which may well produce the opposite of what they promise.

By giving the government unlimited powers, the most arbitrary rule can be made legal; and in this way a democracy may set up the most complete despotism imaginable.

If freedom is to flourish the philosophic foundations of a free society must be kept a living intellectual issue and its implementation a task which challenges the ingenuity and imagination of the liveliest minds.

The ultimate decision about what is accepted as right and wrong will be made not by individual human wisdom but by the disappearance of the groups that have adhered to the "wrong" beliefs.