Mathematics is the science of patterns, and we study them to understand how things work.
数学是模式的科学，我们研究它们以理解事物如何运作。
The world is full of signs and wonders that come, and go, and if you are lucky you might catch the tail of one as it flies past.
书籍是代际之间的桥梁。
The thing you’re most afraid to write, that’s what you should write.
变老最好的事情是，你不会失去你曾经经历过的所有其他年龄段。
Change is certain. Peace is followed by disturbances; departure of evil men by their return.
