The person who knows one thing and does it better than anyone else, even if it only be the art of raising lentils, receives the crown he merits. If he raises all his energy to that end, he is a benefactor of mankind and its rewarded as such. – Og Mandino
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 Csikszentmihalyi
He that desireth to acquire any art or science seeketh first those means by which that art or science is obtained. If we ought to do so in things natural and earthly, how much more then in spiritual? – Robert Barclay