I've done a lot of things in a business where you're lucky to stay alive, so when the time comes, I'll be happy to pass my knowledge along and help someone else.

The development of the telescope, together with increased knowledge of things, brought men to see that the earth is not what man had once thought it to be.

The intercourse between the Mediterranean and the North or between the Atlantic and Central Europe was never purely economic or political it also meant the exchange of knowledge and ideas and the influence of social institutions and artistic and literary forms.

To my knowledge, the Department of Homeland Security has focused on detection devices that are large, expensive, use a large amount of energy, and cannot easily be placed in or on a shipping container.

Knowledge is power. Most of us agree that something has to be done to strengthen Social Security, and I believe it's irresponsible to arbitrarily dismiss any idea, Republican nor Democrat, without giving it a hard look.