所以勇往直前吧。跌倒吧。你会从地上看到一个不同的世界。
The future belongs to those who prepare today.
图书馆的存在本身就提供了最好的证据,证明我们对人类的未来仍可抱有希望。
Nature tends to produce constancy in all her works, but she does not always succeed.