改变没有错，如果方向正确的话。

The study of algorithms is as much about creativity as it is about logic and mathematics.

The challenge of modern cryptography is not just to secure communication, but to do so in a way that is both efficient and scalable.

The only way to grow is to challenge yourself.

追求数学知识是一段永无止境的旅程，充满了无尽的好奇和惊奇。