Quote by Muhammad Ali

"Service to others is the rent you pay for your room here on Earth."

"He who is not courageous enough to take risks will accomplish nothing in life."

"Don't count the days, make the days count."

"Impossible is nothing."

"Science helps us understand the world."

"I've witnessed the birth of science, and it continues to amaze me."

"I'm something of a scientist myself."

"The fusion process is self-sustaining now!"