In a quiet place, a person can hear his own thoughts.
在安静的地方,一个人可以听到自己内心的思绪。
诚信是信任的基础,而信任是成功的基础。
最好的研究往往来自意想不到的观察。
Responsible mining is not an option, it's an obligation we owe to our planet and future generations.
Every day is a new opportunity to change your life.