Quote by Katie Couric

"The person who says it cannot be done should not interrupt the person doing it."

"Once you choose hope, anything is possible."

"It's our choices that show what we truly are, far more than our abilities."

"The only way to do great work is to love what you do."

"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!"