"Carl made me want to be the best human being I could be."

"The words Einstein chose to open the 1939 World's Fair echo in my brain: "If science, like art, is to perform its mis…"

"The possible world that excites me the most-the future we can still have on this one. The misuse of science endangers…"

"When we fell in love, it was like discovering a new world. It was one that I had hoped was possible but had never bee…"

"One starry night, as we lay together on the deck of a ship in the Pacific, we spotted a dolphin couple riding the wav…"

"When Carl wrote Cosmos: A Personal Voyage, he imagined an Encyclopedia Galactica-a reference work that includes all t…"

"If anyone ever says to me, ‘Music is no good anymore’ or ‘These kids today...’ I always fight against that. We are wh…"

"The basic rules of the road for science: Test ideas by experiment and observation. Build on those ideas that pass the…"

"We have known about the dangers we pose to ourselves for decades and yet we continue sleepwalking toward a grim futur…"

"A great tree grew up, one with many branches, and six times it was almost felled. But still it grows and we are but o…"