Change starts with a single step, but it takes a collective effort to make it last.

生命的最高表现在于：一个存在物管理自己的行为。总是受他人指导的事物在某种程度上是死物。

文件就像定期保险：它令人满意，因为几乎没有人订阅它取决于它的利益。

Innovation in mining is not an option; it's a necessity for survival.

关键在于要有一颗爱真理的心灵，随时随地碰见真理，就把它吸收进来。

The most important thing in communication is hearing what isn't said.