量子引力问题不仅是物理学的问题，也是科学哲学的问题。
The man who moves a mountain begins by carrying away small stones.
发现的兴奋永远不会消退。
The true artist is always searching for the meaning of life.
Do what you can, with what you have, where you are.
能源企业要积极响应国家“双碳”目标，推动绿色低碳转型。