And in man is a three-pound brain which, as far as we know, is the most complex and orderly arrangement of matter in the universe.

Life is glorious when it is happy; days are carefree when they are happy; the interplay of thought and imagination is far superior to that of muscle and sinew.

I have never written a book that didn't teach me far more than it taught my reader.

There is an art to science, and a science in art; the two are not enemies, but different aspects of the whole.

Politically popular speech has always been protected: even the Jews were free to say ‘Heil Hitler.’

Inertia! Our ruling class knows one law; no change. Despotism! They know one rule; force. Maldistribution! They know one desire; to hold what is theirs.

The Earth faces environmental problems right now that threaten the imminent destruction of civilization and the end of the planet as a livable world. Humanity cannot afford to waste its financial and emotional resources on endless, meaningless quarrels between each group and all others. there must be a sense of globalism in which the world unites to solve the real problems that face all groups alike.