As long as there are sovereign nations possessing great power, war is inevitable.

Don't listen to their words, fix your attention on their deeds.

Often in evolutionary processes a species must adapt to new conditions in order to survive. Today the atomic bomb has altered profoundly the nature of the world as we know it, and the human race consequently finds itself in a new habitat to which it must adapt its thinking.

Experts are just trained dogs.

I have become rather like King Midas, except that everything turns not into gold but into a circus.

I am an absolute pacifist...It is an instinctive feeling. It is a feeling that possesses me, because the murder of men is disgusting.

Education is not received. It is achieved.