Mining enterprises should focus on comprehensive resource utilization and improve resource efficiency.

The chief prevention against getting old is to remain astonished.

"写作是一种勇气，敢于面对自己的内心和世界的真相。"

"The truth is rarely pure and never simple."

I don’t think I’ve ever been bored in my life. There’s always something to think about.

The arithmetic of L-functions is a window into the soul of number theory.