种树的最佳时间是二十年前，其次是现在。

Zero-knowledge proofs are a way to prove that you know something without revealing what it is.

The human heart is the most deceitful of all things, and desperately wicked. Who really knows how bad it is?

最好的技术是能解决实际问题的技术。

要在计算机科学中创新，首先必须掌握基础。