恶言不出于口，邪行不及于己。
语出汉·桓宽《盐铁论·毁学》。坏话不说，坏事不干，可谓洁身自好。
对知识的追求是无止境的，而这正是它令人兴奋的地方。
热爱真理，但宽恕错误。
Sustainability must be the cornerstone of modern quarry operations, not an afterthought.
The sculpture is already complete within the marble block, before I start my work. It is already there, I just have to chisel away the superfluous material.
书籍是反映我们恐惧的镜子。