在追求数学真理的过程中，我们常常发现更多的问题而非答案。
In the pursuit of mathematical truth, we often find more questions than answers.
Your time is limited, so don't waste it living someone else's life.
成功的关键是走进商店，倾听员工们要说的话。
The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.
