Is it selfish not to share your notes with others?

Hello, it depends on why you don't want to share your notes. If you don't want to share your notes because you want to protect your privacy or have special confidentiality requirements for the contents of your notes, then it is understandable that you don't want to share them.

But if you don't want to share your notes just because you spend a lot of time and energy sorting out your notes, or because you want to keep your knowledge advantage, it may be considered selfish. Sharing knowledge and information is a mutually beneficial behavior, which can benefit people and create more opportunities and growth.

In the final analysis, this is a moral and ethical issue, and you need to decide whether to share your notes according to your own values and situation.