Who said "Laughter is the best remedy for a troubled heart."?

This quote is attributed to Donkey Kong.

Laughter is the best remedy for a troubled heart. - Donkey Kong

"Laughter is the best remedy for a troubled heart."

Donkey Kong Humor

"Tie your shoes!"

"I'm so excited I could burst!"

"Let's-a-go!"

"You're my best friend!"

"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."