The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.

And I urge you to please notice when you are happy, and exclaim or murmur or think at some point, 'If this isn't nice, I don't know what is.'

"To love oneself is the beginning of a lifelong romance."

对少数人有用的东西对多数人不起作用。

最好的书是读完仍让你久久思考的书。

自然在其现象中向我们展示了一条不间断的类比链。

历史是让死者开口说话的艺术。