The famous quotes from third-grade mathematics are as follows:

1. Hironaka Heiyu (Japanese Fields Medal-winning mathematician) said: In mathematics, distinguish what is important and what is not important. It's important to know what you're choosing.

2. Newton said: For every goal, I want it to stay in front of my eyes, from the first to the first light of dawn, keep it, and slowly unfold it until the whole earth is bright.

3. Hua Luogeng said: To play chess, you need to find a master. Only if you are not afraid of exposing your weaknesses in front of capable people can you continue to improve and learn by yourself. If you are not afraid of a low starting point, you are afraid of not reaching the end.

4. Einstein said: "Whenever I have no problem thinking in my mind, I like to re-verify the theorems I already know. There is no purpose in doing so, just to give myself a An opportunity to fully enjoy the pleasure of concentrating on thinking.”

5. Newton said: "I have no extraordinary intelligence. All I have is persistence and disdainful thinking energy. Try your best to do well today, and you may be able to do better tomorrow."