不要因为放弃而哭泣，要为了坚持而哭泣。
Don’t cry to quit, cry to keep going.
世界是一本伟大的书，我们是其中的文字。
I don’t think you can compare different eras. Every era has its own challenges and its own special things.
I think that one should recognize reality even when one doesn’t like it; indeed, especially when one doesn’t like it.
The cloud stood humbly in a corner of the sky,The morning crowned it with splendour.
I don't want to be alone, I want to be left alone.
Don’t let the noise of others’ opinions drown out your own inner voice.
检验统计假设的问题是估计的一般问题中不可分割的一部分。
The world is a cruel place, but it is also beautiful.