Sustainability isn't an option anymore—it's a necessity for any responsible mining operation.
Mathematics is the key to understanding the universe.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
Sometimes the most powerful moments are the ones left unsaid.
文学是唯一能让我们暂时逃离现实的毒品。
当人们快乐时，他们不会注意到是冬天还是夏天。
一个社会离真相越远，它就越会憎恨那些说出真相的人。