The famous sayings about having the courage to ask questions are as follows:

The key to all science is undoubtedly the question mark. Most of our great discoveries should be attributed to "how", and the meaning of life is Wisdom probably lies in asking why everything happens. ——(French writer) Balzac.

It’s easy to ask questions when studying. Once you ask the subject guide, you might as well ask again and again. If you can’t ask one person, you might as well ask dozens of people, so that your doubts can be relieved and your insights can be revealed. Therefore, the writing is crystal clear and penetrating, just like watching fire and water. ——(ancient Chinese painter) Zheng Banqiao.

Knowledge is based on knowledge. If you have knowledge, you will be humble, and if you are humble, you will advance in knowledge. ——(ancient Chinese literary theorist) Wu Qiao.

Those who have doubts in reading must be taught. Those who have doubts must have no doubts. This is where they will make progress. ——(ancient Chinese philosopher) Zhu Shi.

Talents are different. Knowing things comes from learning. Learning is knowledge. If you don’t ask, you don’t know. ——(ancient Chinese thinker) Wang Chong.

Anything you don’t know, you should ask others for advice. Although this will cause loss of status, your knowledge will deepen day by day. ——(Persian poet) Sabian.