Life is finite, while knowledge is infinite. People learn something new every day, until the very last day of their life. But even with an average life span of 70 years, we can never learn everything. So, we need to decide which ones to learn and which ones to learn first.
Common knowledge, the thing that helps us understand the way this world runs, should be the priority. However, common knowledge is not simply written in a book or anything for everyone to read. Sometimes we need to realize it by ourselves, and this is why things you know may be unknown to others. Redditor u/LightningCole asked other users to share the things they learned that made them feel embarrassed the most. And the answers are just too good not to be shared. So keep reading, and have a good time with these unexpectedly funny replies we have collected in the list below.