The Science of Self-Discipline: The Willpower, Mental Toughness, and Self-Control to Resist Temptation and Achieve Your Goals (Live a Disciplined Life Book 1)

by Peter Hollins

the study proves that money is a powerful short-term motivator. It’s the lowest-hanging fruit and most obvious cure for our problems and unhappiness. But at a certain point, money almost ceases to matter.