The so-called reincarnation of life and death means that all living beings in the world have karma due to their actions. This karma has six places to go, which are called the six paths. However, the six realms are divided into three realms, namely Buddha, Demon, and Tao (immortal). The retributions of good and evil in the six paths of reincarnation are all contained in a single thought in the human heart. If you can be good, you will ascend to the world of heaven and human beings. If you have an evil thought, you will fall into the devil's path. The cause and effect are clear!