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" This is the difference between someone whose heart is purified and sound and one whose heart is impure and corrupt. Impure people oppress, and the pure-hearted not only forgive their oppressors, but elevate them in status and character. In order to purify ourselves, we must begin to recognize this truth. This is what this book is all about — a book of self-purification and a manual of liberation. If we work on our hearts, if we actually implement what is suggested here, we’ll begin to see changes in our lives, our condition, our society, and even within our own family dynamics. It is a blessing that we have this science of purification, a blessing that this teaching exists in the world today. What remains is for us to take these teachings seriously.
Signs, Symptoms and Cures of the Spiritual Diseases of the Heart. Translation and Commentary of Imam Mawlud's Matharat al-Qulub. Schaykh Hamza Yusuf. E-Book S. 10 "
― , Purification of the Heart: Signs, Symptoms and Cures of the Spiritual Diseases of the Heart
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" The cure for hatred is straightforward. One should pray for the person toward whom he feels hatred; make specific supplication mentioning this person by name, asking God to give this person good things in this life and the next. When one does this with sincerity, hearts mend. If one truly wants to purify his or her heart and root out disease, there must be total sincerity and conviction that these cures are effective.
Arguably, the disease of hatred is one of the most devastating forces in the world. But the force that is infinitely more powerful is love. Love is an attribute of God; hate is not. A name of God mentioned in the Quran is al-Wadud, the Loving one. Hate is the absence of love, and only through love can hatred be removed from the heart. In a profound and beautiful hadith, the Prophet said, "None of you has achieved faith until he loves for his brother what he loves for himself. "
― Hamza Yusuf , Purification of the Heart: Signs, Symptoms and Cures of the Spiritual Diseases of the Heart
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" The believers are described as people whose hearts are alive and full of light, while the scoffers are in darkness: Is one who was dead and then We revived [with faith] and made for him a light by which to walk among the people like one who is in darkness from which he cannot exit? (QURAN, 6:122). According to commentators of the Quran, the one who was dead refers to having a dead heart, which God revived with the light of guidance that one may walk straight and honorably among human beings. Also, the prophet Muhammad said, “The difference between the one who remembers God and one who does not is like the difference between the living and the dead.” In essence, the believer is someone whose heart is alive, while the disbeliever is someone whose heart is spiritually dead. "
― Hamza Yusuf , Purification of the Heart: Signs, Symptoms and Cures of the Spiritual Diseases of the Heart
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" Many in the West have long proffered that the brain is the center of consciousness. But in traditional Islamic thought – as in other traditions – the heart is viewed as the center of our being. The Quran, for example, speaks of wayward people who have hearts with which they do not understand (7:179). Also the Quran mentions people who mocked the prophet and were entirely insincere in listening to his message, so God placed over their hearts a covering that they may not understand it and in their ears [He placed] acute deafness (6:25). Their inability to understand is a deviation from the spiritual function of a sound heart, just as their ears have been afflicted with a spiritual deafness. So we understand from this that the center of the intellect, the center of human consciousness and conscience, is actually the heart and not the brain. Only recently have we discovered that there are over 40,000 neurons in the heart. In other words, there are cells in the heart that are communicating with the brain. While the brain sends messages to the heart, the heart also sends messages to the brain. "
― Hamza Yusuf , Purification of the Heart: Signs, Symptoms and Cures of the Spiritual Diseases of the Heart