任何圆的面积等于一个直角三角形，其中一条直角边等于半径，另一条等于圆的周长。

The past is never truly gone; it lives in us, shaping who we are.

The intersection of cryptography and complexity theory is where some of the most fascinating problems in computer science reside.

The most profound art often emerges from the tension between tradition and innovation.

做伟大工作的唯一方法就是热爱你所做的事情。