A miner's skill and dedication are just as valuable as the coal they bring to the surface.
矿工的技能和奉献精神与他们带到地面的煤炭一样宝贵。
Every setback is a setup for a comeback.
To do mathematics is to explore a universe of ideas, where the only limit is your imagination.
如果你不知道，意见有什么用呢？
Vision without execution is just a dream.
The quality of products reflects the quality of people.
可持续性不是一种选择，而是唯一的前进道路。