人心比万物都诡诈，坏到极处，谁能识透呢？
The human heart is the most deceitful of all things, and desperately wicked. Who really knows how bad it is?
Sustainability is not an option; it's a responsibility we owe to future generations.
写文章必须追溯六经的源头，并参考诸子百家和史书的写法。