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"A self that is only differentiated - not integrated - may attain great individual accomplishments, but risks being mired in self-centered egotism. By the same token, a person whose self is based exclusively on integration will be well connected and secure, but lack autonomous individuality. Only when a person invests equal amounts of psychic energy in these two processes and avoids both selfishness and conformity is the self likely to reflect complexity."

(from Flow: The Psychology of Optimal Experience by Mihaly Csikszentmihalyi)
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