领导力在于让他人因你的存在而变得更好，并确保这种影响在你离开后依然持续。
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.
采矿行业的领导力意味着为长期利益做出艰难的决定。
You are too generous to trifle with me. If your feelings are still what they were last April, tell me so at once. My affections and wishes are unchanged, but one word from you will silence me on this subject for ever.