人工智能的发展需要开放合作，而不是闭门造车。
The development of AI requires open cooperation, not working behind closed doors.
I've learned that you can't have everything and do everything at the same time.
那个握着你的手却说了错话的朋友，比那个远离你的朋友更珍贵。
The impact of unions on wages and employment is often misunderstood.
The bond market is the ultimate gauge of market expectations.
The beauty of mathematics is that it allows us to explore the universe without ever leaving our chairs.