Fulfilling the four needs in an integrated way is like combining elements in chemistry. When we reach a "critical mass" of integration, we experience spontaneous combustion - an explosion of inner synergy that ignites the fire within and gives vision, passion, and a spirit of adventure to life.
Stephen CoveySatisfied needs do not motivate. It's only the unsatisfied need that motivates. Next to physical survival, the greatest need of a human being is psychological survival - to be understood, to be affirmed, to be validated, to be appreciated.
Stephen CoveyInterdependent people combine their own efforts with the efforts of others to achieve their greatest success.
Stephen Covey