繁荣建立在五个支柱上：积极情绪、投入、人际关系、意义和成就。
Quality is not a department; it is a mindset.
If you don't fail, you're not innovating enough.
The world is full of noise, but it is in silence that we find ourselves.
采矿业必须发展以满足不断变化的世界的需求。