The main task of a leader is to create and maintain the competitive advantage of the organization.

Poverty is not inevitable; it's a solvable problem.

Investing in farmer education is investing in the future of dairy.

有时最普通的事情反而最难解释。

解析：自然的法则，是损减有余来补充不足；人类社会世俗的作法却不然，而是损减贫穷不足来供奉富贵有余。