At present, there can be little doubt that the whole of mankind is in mortal danger, not because we are short of scientific and technological know-how, but because we tend to use it destructively, without wisdom. More education can help us only if produces more wisdom.
Is there enough to go around? What is enough? Who can tell us? Certainly not the economist who pursues economic growth as the highest of all values, and therefore has no concept of enough.
Man is small, and, therefore, small is beautiful.