Who said "A laugh is a powerful force that can heal and unite."?

This quote is attributed to Washington Irving.

A laugh is a powerful force that can heal and unite. - Washington Irving

"A laugh is a powerful force that can heal and unite."

Washington Irving Humor

Writer American 1783–1859

"There is a certain magic in sleep and dreams that prepares you for the challenges of real life."

"The mind always makes progress, even when the body stands still."

"Love is the great beautifier of the world."

"Great minds have purposes, others have wishes."

"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."