You can‘t reason someone out of a notion that they didn’t reason themselves into. 
在科学中,我们必须接受我们最珍视的理论可能是错误的这种可能性。
The past is never dead. It's not even past.
国家是理性的行为者,他们总是会按照自己的利益行事。
写文章必须溯源经典,并参考诸子史书,这样才能自成一家而不因袭前人。
一件事情都不能做到有始有终,就不要去操持其他的事情;一物也不明白,就不要追求博闻广记。
One ought never to turn one's back on a threatened danger and try to run away from it. If you do that, you will double the danger. But if you meet it promptly and without flinching, you will reduce the danger by half.