Who said "Sometimes you have to laugh to keep from crying."?

This quote is attributed to Sarah Walker.

Sometimes you have to laugh to keep from crying. - Sarah Walker

"Sometimes you have to laugh to keep from crying."

Sarah Walker Humor

"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."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."