Perception is subjective and the same events may involve a different perception from each witness. There are perception quotes that show this is subject to interpretation by each individual and many people will only see what their preconceived notions have programmed them to see. Your perception is the true facts that you see or believe, even if it turns out later that this was not actually the case. Some people are more likely to have a certain perspective based on their own life experiences, and this can skew the real facts in a situation. If you have a perception that someone dislikes you this could actually be the case or it may just be the way that you view the situation. In reality the person may not dislike you at all and your perception may be off.