Who said "The mission always came first, until it didn't."?

This quote is attributed to Sarah Walker.

The mission always came first, until it didn't. - Sarah Walker

"The mission always came first, until it didn't."

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."