No one should be required to see America for the first time.

The loving touch, like music, often utters the things that cannot be spoken.

In teaching it is the method and not the content that is the message.

The principal contributor to loneliness in this country is television. What happens is that the family 'gets together' alone.

An intelligence that is not humane is the most dangerous thing in the world .

Scientists do not believe in fundamental and absolute certainties. For the scientist, certainty is never an end, but a search; not the ordering of certainty, but its exploration. For the scientist, certainty represents the highest degree of probability.

Without love, intelligence is dangerous; without intelligence, love is not enough.