The words of truth are simple.
别难过……世界上有许多人还不知道他们到底是谁或什么。
Open cooperation is an important path for technological progress.
Technology is nothing. What's important is that you have a faith in people, that they're basically good and smart, and if you give them tools, they'll do wonderful things with them.
煤矿工人不仅仅是在挖土，他们是在挖掘进步。
"The only thing that is constant is change."