如果你想在数学上取得进步，你必须习惯于不舒服。
You have to be comfortable with being uncomfortable if you want to make progress in mathematics.
最好的故事是那些在我们读完很久之后仍萦绕在心头的故事。
Technology is the answer, but what was the question?
"The bond of family is stronger than any challenge."
The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.