“Ten long trips around the sun since I last saw that smile, but only joy and thankfulness that on a tiny world in the vastness, for a couple of moments in the immensity of time, we were one.”

“It takes a fearless, unflinching love and deep humility to accept the universe as it is. The most effective way he knew to accomplish that, the most powerful tool at his disposal, was the scientifi...”

“Science has carried us to the gateway to the universe. And yet our conception of our surroundings remains the disproportionate view of the still-small child. We are spiritually and culturally paral...”

“As I looked out at the glittering waters of the Pacific I was seeing for Carl. He knew that it's not for any one generation to see the completed picture. That's the point. The picture is never comp...”

“And what greater might do we possess as human beings than our capacity to question and to learn?”

“The aspirations of democracy are based on the notion of an informed citizenry, capable of making wise decisions. The choices we are asked to make become increasingly complex. They require the longe...”

“Except for hydrogen, all the atoms that make each of us upthe iron in our blood, the calcium in our bones, the carbon in our brainswere manufactured in red giant stars thousands of light-years away...”

“Except for hydrogen, all the atoms that make each of us up—the iron in our blood, the calcium in our bones, the carbon in our brains—were manufactured in red giant stars thousands of light-years aw...”