K. Anders Ericsson Professions : Psychologist Born : 1947 Browse All Authors Top 4 quotes by K. Anders Ericsson The Role of Deliberate Practice in the Acquisition of Expert Performance”: “The differences between expert performers and normal adults are not immutable, that is, due to genetically prescribed talent. Instead, these differences reflect a life-long period of deliberate effort to improve performance. K. Anders Ericsson differences practice long Excellence demands effort and planned, deliberate practice of increasing difficulty K. Anders Ericsson effort practice inspirational It really doesn't matter how long. If you practice with your (body), no amount is enough. If you practice with your head, two hours is plenty. K. Anders Ericsson volleyball practice two When the human body is put under exceptional strain, a range of dormant genes in the DNA are expressed and extraordinary physiological processes are activated. K. Anders Ericsson work-ethic dna body Similar Authors Bruno Bettelheim psychologist Boris Sidis psychologist Anthony Greenwald psychologist Arnold Gesell psychologist Arno Gruen psychologist Anna Freud psychologist All Authors