发现的快乐不在于认可,而在于知道你贡献了有意义的东西。
Every piece of plastic ever made still exists somewhere - that's not just a fact, it's our responsibility.
我坚持自己的信仰,很多时候这可能与常规或人们对我的期望相违背。
The best quarries leave not just holes in the ground, but value in communities.