种树的最佳时间是20年前；第二好的时间就是现在。
The best time to plant a tree was 20 years ago; the second best time is now.
Technology in mining isn't about replacing people; it's about empowering them to do better work.
The world is full of stories, but the stories are all one.
I don't mind being a symbol but I don't want to become a monument. There's nothing sadder than a monument.
每个物品都有声音，如果你知道如何倾听。
Ethical leadership isn't about being perfect - it's about being accountable.
The key is to stay focused on your own path.