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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."