Dual Destiny: One Thought Makes You Holy and One Thought Makes You Devil

People have many sides, and good and evil are particularly clear. But when personalities are differentiated and double time traveled, the good side will become the savior, but the evil side will become the master of cholera, how to make a choice? Live together and die together. Evil has dominated all living beings, and only living can overturn it all, but the root of all evil can only truly end with death. Please tell me how to defeat one's greatest enemy in the world, self. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.