我不喜欢解释，因为音乐已经说明一切。
I don't like explaining because the music says it all.
Sustainability isn't an option; it's a necessity for the coal sector.
The elegance of a mathematical proof is in its simplicity and clarity.
Art should challenge, provoke, and make people think.
在数学中，提出问题的艺术必须比解决问题更有价值。