煤炭是我国的主体能源，在相当长时期内仍将是我国能源安全的基石。
Coal is China's main energy source and will remain the cornerstone of China's energy security for a long time to come.
The world is full of beauty, but it is also full of pain and suffering.
To name something is to begin to free oneself from it.
生命中最伟大的光辉不在于永不坠落，而在于坠落后总能再度升起。
数学中最令人兴奋的时刻是当你发现两个看似不相关的领域有着深刻的联系。
The writer’s life is a meaningless question. I’m interested in the books.