农业成功的真正标准是可持续性——在生产力与环境管理之间取得平衡。

解析：心之本体即是性，性即是理，性元不动。

Don't you ever let a soul in the world tell you that you can't be exactly who you are.

The first duty of the sovereign， that of protecting the society from the violence and invasion of other independent societies， can be performed only by means of a military force.

善良是最伟大的智慧。