We do not learn by inference and deduction and the application of mathematics to philosophy, but by direct intercourse and sympathy.

But also out here in this dreary, difficult war, I think history will record that this may have been one of Americas finest hours, because we took a difficult task and we succeeded.

I always remember that whatever I have done in the past or may do in the future, Duke University is responsible in one way or another.

The Congress, the Administration and the public all share a profound commitment to the rescue of our natural environment, and the preservation of the Earth as a place both habitable by and hospitable to man.

Success is not a harbor but a voyage with its own perils to the spirit. The game of life is to come up a winner, to be a success, or to achieve what we set out to do.

Tell them to send everything that can fly.

We can no longer afford to consider air and water common property, free to be abused by anyone without regard to the consequences. Instead, we should begin now to treat them as scarce resources, which we are no more free to contaminate than we are free to throw garbage into our neighbor's yard.