Who said "The secret source of humor itself is not joy but sorrow."?

This quote is attributed to Jonathan Swift.

The secret source of humor itself is not joy but sorrow. - Jonathan Swift

"The secret source of humor itself is not joy but sorrow."

Jonathan Swift Humor

Satirist Writer Irish 1667–1745

"The proper words in the proper places, make the true definition of a style."

"When you were a child, you were told to eat your vegetables. As an adult, you realize vegetables are delicious."

"Praise is the surface money of the world, but only admiration is the real thing."

"May you live every day of your life."

"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."