" Flow is more than an optimal state of consciousness — one where we feel our best and perform our best — it also appears to be the only practical answer to the question: What is the meaning of life? Flow is what makes life worth living. “There are moments that stand out from the chaos of the everyday as shining beacons,” wrote Csikszentmihalyi, alongside psychologist Susan Jackson, in Flow in Sports. “In many ways, one might say that the whole effort of humankind through millennia of history has been to capture these fleeting moments of fulfillment and make them part of everyday existence. "
― Steven Kotler , The Rise of Superman: Decoding the Science of Ultimate Human Performance