I think the American people expect more from us than cries of indignation and attack. The times are too grave, the challenge too urgent, and the stakes too high - to permit the customary passions of political debate.

Nothing compares to the simple pleasure of a bike ride.

As science, of necessity, becomes more involved with itself, so also, of necessity, it becomes more international. I am impressed to know that of the 670 members of this Academy

Now is the time...for this nation to take a clearly leading role in space achievement, which in many ways may hold the key to our future on Earth.

To state the facts frankly is not to despair the future nor indict the past. The prudent heir takes careful inventory of his legacies and gives a faithful accounting to those whom he owes an obligation of trust.

Hold fast to the best of the past and move fast to the best of the future.

Democracy may not be perfect, but at least I don't have to build a wall to keep my people in.