我爱人类作为我的同胞；但他的权杖，无论是真实的还是篡夺的，除非个人的理性要求我致敬，否则不会延伸到我。
I love man as my fellow; but his scepter, real, or usurped, extends not to me, unless the reason of an individual demands my homage.
In every line, there is a hidden truth.
My country is the world, and my religion is to do good.
最可怕的怪物是那些看起来和我们一样的怪物。
译文：老农种地虽不直接参与国政，但其勤惰关系国家兴衰。提醒统治者重视民生根本。
Every life contains its own mysteries, and the biographer must respect the unknowable.
The key to success in research is to focus on fundamental problems that have long-term impact.