Quote by Walter Mischel

"The ability to delay gratification is a fundamental skill that predicts success in life."

"What you do is determined by what you think about."

"Self-control is the engine of human achievement."

"If you can wait, you can have what you want later."

"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."