"Innocence always calls mutely for protection when we would be so much wiser to guard ourselves against it: innocence is like a dumb leper who has lost his bell, wandering the world, meaning no harm."

Every tree we plant today is a legacy for generations we'll never meet.

"Every book is a door to another world, waiting to be opened by the curious mind."

我们要坚持自主研发，掌握核心技术。

The integration of digital technology will revolutionize traditional coal mining.