What a piece of work is a man! How noble in reason! How infinite in faculties! In form and moving, how express and admirable! In action how like an angel! In apprehension how like a god! The beauty of the world! The paragon of animals! And yet, to me, what is this quintessence of dust?

The problem is with man himself and man's soul. We haven't learned how to be just and honest and kind and true and loving.

The highest wisdom has but one science - the science of the whole - the science explaining the whole creation and man's place in it.

I am not an Athenian nor a Greek, but a citizen of the world.

Man is an animal with primary instincts of survival. Consequently, his ingenuity has developed first and his soul afterwards. The progress of science is far ahead of man's ethical behavior.

I do not need drugs to be a genius, do not take a genius to be human, but I need your smile to be happy.