失败不可怕,可怕的是不敢尝试。
Failure is not terrible, what is terrible is not daring to try.
The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.
Hate me, because I desire your great, great, need at all costs.
物理学的创新往往来自于以新的方式看待老问题。