在阅读的寂静中，可以听到人类最响亮的声音。
"In the silence of reading, the loudest voices of humanity can be heard."
The future of the petroleum industry lies in efficiency, cleanliness, and low carbon. We must find a balance between traditional and new energy sources.
数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。