Quote by David Gross

"In physics, you don't have to go around making trouble for yourself—nature does it for you."

"The most important thing in science is to ask the right questions."

"I think the key to understanding the universe is to think about it in terms of symmetry."

"Discovery requires both courage and patience."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."