种一棵树最好的时间是20年前，其次是现在。
The best time to plant a tree was 20 years ago. The second best time is now.
I've learned that success is not about the destination, but the journey.
In foreign policy, the currency of trust is more valuable than gold.
Anyone who keeps the ability to see beauty never grows old.
If you want to solve big problems, start by asking the right questions.