Poverty is not inevitable; it's a solvable problem.
                    解释:有了过错一定要悔改,干了坏事肯定会觉得害怕。
                    可持续性不是选择,而是农业的唯一前进道路。
                    2017年:贝索斯致股东信《让高标准渗透公司文化》
                    The mind is a constantly reorganizing system.