如果你明智地利用经验，没有什么时间是浪费的。
Nothing is a waste of time if you use the experience wisely.
煤炭仍将是能源结构的一部分，但它必须更清洁、更负责任。
成功的关键是专注于目标，而不是障碍。
Our experience tends to confirm a long-held notion that being prepared, on a few occasions in a lifetime, to act promptly in scale, in doing some simple and logical thing, will often dramatically improve the financial results of that lifetime.