Author: Ibn Qayyim AlJauziyaPublisher: Pustaka Al Kautsar HardcoverSize B5The heart is the king, and the organs are troops that carry out orders, and there is not a single deed that is upright but the command, and there is not a single charity that is upright but the charity comes out of the heart. The heart is what the people are questioned, because every leader will surely be asked about his subordinates, then paying attention to goodness and cleaning it is the most important grip those who take the path to God.This book is one of the works of Ibnul Qayyim Rahiullah who is a great scholar who is recognized by his expertise and his knowledge. He is known a person who has a good language style that makes it easy readers to examine it.The discussion point of this book is about the liver and disease, because the heart becomes the core of humans, the liver is a pile of flesh which if it is good, then the body also becomes good as a whole. And if it is damaged, then the body is completely damaged. Because, the influence of the heart to the entire limb.