The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.
每个发现都会引发新的问题。
可持续性不是一个流行词，而是矿业前进的唯一道路。
领导力不仅仅是做决定，更是激励他人实现卓越。
The best leaders are those who listen more than they speak, and act with both vision and humility.
The child is a reality in himself, and not merely a transitional being.