The farmer is the cornerstone of our civilization.

过去不是一个居住的地方，而是一个学习的地方。

心理学应该通过结果来衡量心灵。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

农业部门必须适应以满足不断变化的世界的需求。

采矿业的领导力意味着将安全、效率和社区长期影响置于首位。