This document discusses various strategies for blocking unwanted thoughts. It notes that unwanted thoughts are common and can negatively impact life. Some effective strategies include not directly trying to block thoughts, as that tends to make them more prominent. Instead, it is better to let unwanted thoughts fade naturally by distracting the mind with other activities. Writing thoughts down can also help analyze and reduce their power. Scheduling time to address thoughts can help establish a sense of control. Treating mental disorders, exercising, spending time with others, and picking up hobbies are further suggested as beneficial distractions. With practice of these strategies, it is possible to gain a more positive mindset.