We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.
解释：不可以不知道活着的乐趣，也不可以不知道虚度光阴的担忧。
应对死亡的唯一方法是将之前的一切转化为艺术。
歌唱90%在于倾听。你也必须倾听寂静。
In business, adaptability is just as important as strategy.