Quote by Sarah Walker

"I'm a spy. It's what I do. It's who I am."

"You can't always control what happens to you, but you can control how you respond."

"Trust is everything in this business. Without it, you've got nothing."

"I've learned that the people you care about are worth fighting for."

"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!"