我们都有自己的时间机器。带我们回去的叫回忆，带我们前行的叫梦想。
最优雅的数学证明是那些以简单揭示真理的证明。
The poet is a man who can see the invisible and hear the inaudible.
The key to successful investing is to have a long-term perspective and to stick to your strategy.
The success of Pinduoduo lies in finding an underdeveloped market.