Who said "Sometimes humor is the only weapon left."?

This quote is attributed to Ripley.

Sometimes humor is the only weapon left. - Ripley

"Sometimes humor is the only weapon left."

Ripley Humor

"I'm not human anymore, and I don't think you are either."

"They don't make them like they used to."

"I've survived worse than this."

"You're going to have to trust me."

"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."