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

This quote is attributed to John Casey.

Sometimes you have to laugh to keep from crying. - John Casey

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

John Casey Humor

"I'm a trained killer. I kill people. That's what I do."

"You need to learn to trust people. It'll make your life a lot easier."

"Intersect or no Intersect, I'd still protect you."

"Sometimes the best thing you can do is just be there for someone."

"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."