When you were a child, you knew you didn't know everything there is to know about the world so your mind was wide open to learning everyday. That's why most of us would remember everything our parents would say and do. You didn't suggest to your mind that you knew everything and you had no problem being wrong because you knew you had a lot to learn.
However, somewhere down the line, you started realizing that you knew and understood a certain amount that there is to know about life so it became difficult for your parents to tell you what to do. It is not that you thought you knew all there is to know, it is because you didn't like the feeling associated with being wrong.
When you were in your second grade class and you gave what you believed to be the correct answer to the teacher, how did his/her response make you feel? When you gave the right answer you felt confident and often got rewarded with recognition or sometimes a prize but when you gave the wrong answer, you didn't get anything or sometimes a negative remark.
So because of that, you associated being right as good and being wrong as bad. This is where I believe we all shifted to wanting to be right all the time. We feel embarrassed or stupid if we aren't right about everything even when we are simply guessing on what is right. Although I believe there is always something new to learn, the only way to attempt to know everything is to learn and we will never get there by claiming we already know.
Realize that it's okay to admit that you don't know something as that is always the first step to growth. For if you don't, you'll never know what you don't know that you don't know.
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