Those who are good at asking questions are like attacking a tough tree. They should first make things easier and then follow up the program. - "Book of Rites·Xue Ji"

If you are good at asking questions, you will be rich, and if you use it yourself, you will be small. - - "Shang Shu·Zhong Hui's Edict"

Ash and eager to learn, he is not ashamed to ask questions. - "The Analects of Confucius·Gongye Chang"

It is easy to ask questions when reading. If you can't get a question once, you might as well ask again. ——Zheng Xie

The first sign of an educated mind is to be good at asking questions.——Plekhanov

If you don’t learn, you won’t learn, and if you don’t ask, you won’t know.——Han· Wang Chong's "Lunheng·Practical Knowledge"