计算复杂性的美在于它能够根据问题的固有难度对问题进行分类。
"The beauty of computational complexity lies in its ability to classify problems based on their inherent difficulty."
现在是过去的未来，但过去是现在的未来。
Psychology must be purely experimental and analytical.
梦想不是年轻人的专利，而是所有追求进步的人的共同语言。
"The writer is a man who is always searching for the right word, the perfect word, the word that will make the reader see what he sees, feel what he feels, understand what he understands."