人心是一个谜，甚至对它自己也是如此。
"The human heart is a mystery, even to itself."
The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.
最好的企业不只是销售产品；它们解决问题。
Digitalization is transforming every aspect of the energy industry.