Joke Collection Website - Bulletin headlines - What is written on the Happy Mathematics bookmark?

What is written on the Happy Mathematics bookmark?

1. Questions are the heart of mathematics. 2. Mathematics is the language God uses to write the universe. 3. One of the best ways to learn to solve problems is to study examples.

_榍┯美蚪莸娜斖?, exquisite graphic design makes viewers interested. On the one hand, bookmarks play a role in promoting popular science knowledge.