To define is to limit.
定义就是限制。
你知道的越多，你就越意识到你不知道的越多。
The novel is a mirror carried along a high road.
The development of the energy industry must adhere to the green and low-carbon direction, which is a global consensus and the responsibility of Chinese energy companies.
The art of progress is to preserve order amid change and to preserve change amid order.
