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."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."