Perhaps you know the impact of negativity from direct experience. For example, maybe you have had the experience of happily going off to work only to sink into a foul mood an hour later because of a coworker who never let a negative thought go unspoken. Negativity is both malignant and infectious. When you are in a negative environment, it is difficult to have the mental clarity and the positive outlook that are so necessary for intentional alignment with the Law of Attraction.