Far more crucial than what we know or do not know is what we do not want to know.

The future belongs to the learners-not the knowers.

The conservatism of a religion - it's orthodoxy - is the inert coagulum of a once highly reactive sap.

Perhaps our originality manifests itself most strikingly in what we do with that which we did not originate. To discover something wholly new can be a matter of chance, of idle tinkering, or even of the chronic dissatisfaction of the untalented.

Mass movements can rise and spread without belief in a God, but never without belief in a devil.

Jesus was not a Christian, nor was Marx a Marxist.

Our present addiction to pollsters and forecasters is a symptom of our chronic uncertainty about the future... We watch our experts read the entrails of statistical tables and graphs the way the ancients watched their soothsayers read the entrails of a chicken.