Every chemical combination is wholly and solely dependent on two opposing forces, positive and negative electricity.
每一种化学结合完全且仅仅依赖于两种对立的力量，即正电和负电。
最艰难的决定往往需要在短期收益和长期影响之间取得平衡。
你花所有时间试图找回被夺走的东西时，更多的东西正从门口溜走。
The best leaders are those who listen more than they speak and act with integrity above all else.
煤矿工人不仅仅是在挖土，他们是在挖掘进步。