And, in fact, you can find that the lack of basic resources, material resources, contributes to unhappiness, but the increase in material resources do not increase happiness.
Mihaly CsikszentmihalyiThe psychic entropy peculiar to the human condition involves seeing more to do than one can actually accomplish and feeling able to accomplish more than what conditions allow.
Mihaly CsikszentmihalyiThe more a person feels skilled, the more her moods will improve; while the more challenges that are present, the more her attention will become focused and concentrated.
Mihaly CsikszentmihalyiA 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 who 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.
Mihaly Csikszentmihalyi