Saul Perlmutter

“The original project began because we know the universe is expanding. Everybody had assumed that gravity would slow down the expansion of the universe and everything would come to a halt and...”

“Astronomers ought to be able to ask fundamental questions without accelerators.”

“If you're puzzled by what dark energy is, you're in good company.”

“It's an unusual opportunity, a chance for so many people to share in the excitement and the fun of the fact that we may be on to hints as to what the Universe is made out of. I guess the who...”

“You don't want to come out with anything that's wrong, of course, in a scientific, you know, a major scientific announcement, and so you're being so careful trying to check, well maybe it's...”

“As a scientist, you feel a sense of team spirit for your country but you also have a sense of team spirit for the international community.”