Cryptography is about communication in the presence of adversaries.
密码学是关于在存在对手的情况下进行通信的。
When you want to change things, you can't please everyone. If you do please everyone, you aren't making enough progress.
The soul is a garden where thoughts bloom like flowers.
每部电影都是一次旅程，不仅对观众如此，对演员也是如此。