I love the mathematical formula in the elegant captioned quote as appended below, for it captures the essence of what Dr Maxwell Maltz had taught us, as expressed in his astute observations in the Psycho-Cybernetics classic:

- "The ability to discipline yourself to delay gratification in the short term in order to enjoy greater rewards in the long term is the indispensable prerequisite for success."

- "Self-discipline is the golden key; without it, you cannot be happy!"

Bravissimo!