过去是一个异国他乡;他们在那里做不同的事情。
悔恨自己的错误,而且力求不再重蹈覆辙,这才是真正的悔悟。
The best scientists are those who remain humble in the face of nature’s complexity.
The writer's duty is to disturb the peace
A mathematician's work is to find patterns where others see chaos.