煤炭不是问题所在，问题在于我们如何使用它。解决方案在于更清洁的技术和更好的利用。
Coal isn't the problem - how we use it is. The solution lies in cleaner technologies and better utilization.
Science is the knowledge of consequences, and dependence of one fact upon another.
Money is concerned only with what is common to all: it asks for the exchange value, it reduces all quality and individuality to the question: How much?
A story should have a beginning, a middle, and an end, but not necessarily in that order.
