文学是一种对抗遗忘的武器。
Literature is a weapon against forgetting.
Life lessons will be presented to you in the order they are needed. Everything you need to master the lesson is within you. Once you have truly learned a lesson， you will be presented with the next one. If you are alive， that means you still have lessons to learn.
煤炭仍将是能源结构的一部分，但其角色必须为更清洁的未来重新定义。
要理解行为，就要寻找其中的效用。
真正的发现之旅不在于寻找新的风景，而在于拥有新的眼光。