The difference between ignorant and educated people is that the latter know more facts. But that has nothing to do with whether they are stupid or intelligent. The difference between stupid and intelligent people--and this is true whether or not they are well-educated--is that intelligent people can handle subtlety. They are not baffled by ambiguous or even contradictory situations--in fact, they expect them and are apt to become suspicious when things seem overly straightforward.

It is upon moral qualities that a society is ultimately founded. All the prosperity and technological sophistication in the world is of no use without that foundation.