Hanson in the article titled “How to Build a Happier Brain.” However, people might argue that positive thinking is the key to success. While this may be true, positive thinking is only verbal or momentary; it doesn't actually count as true happiness. To illustrate, Dr. Hanson explains that positive thinking might be helpful, but it doesn't have a valuable impact on how people feel or react during a normal day. He states that people who only think positively might appear happy on the outside, but deep inside they are angry, sad, or lonely. That is to say, they have no way of seeing things clearly. Clarity of thought is one of the most important factors of happiness. Thinking clearly means learning from negative experiences and valuing positive experiences, says Dr. Hanson. In other words, clear thinking encompasses the whole picture, both the negative and the positive aspects. However, happiness may be difficult to achieve, especially when people are immersed in a negative world. For example, bad