I don't think you should ever have to apologize for your excitement.

You are not only responsible for what you say, but also for what you do not say.

采矿行业的领导力意味着为长期利益做出艰难的决定。

唱歌的人不求声音高尖而求合乎节拍，评论者不追求华丽的辞藻而注重所谈论的事情符合实际。