种树的最佳时间是20年前;第二好的时间就是现在。
The mind is the organ of adaptation par excellence.
I am not an Athenian or a Greek,but a citizen of the world.
我们试图买入那些售价低于账面价值的股票。
"Science is the highest personification of the nation because that nation will remain the first which carries the furthest the works of thought and intelligence."