Courage is the most important of all the virtues because without courage, you can't practice any other virtue consistently.

Coal is China's main energy source and will remain the cornerstone of China's energy security for a long time to come.

每一个灵魂都是一个小宇宙。

文学是一种抵抗，是对不公正和压迫的斗争。

"In the vastness of the cosmos, every discovery is a step closer to understanding our place in it."