So leave this aside and learn the principles of fiqh, just as I advise you to learn other matters, so that you may be upon clear insight and knowledge. Give pre

When a person wants to cite evidence, he should do so objectively. “We complained to the Messenger of Allah about celibacy”—had there been any good in it, he would have guided them to it. “He did not leave any good except that he guided them to it, nor any evil except that he warned them against it,” as authentically reported in Muslim from Ibn Amr, may Allah be pleased with him, and so on. Furthermore, the Prophet, peace be upon him, said: “Let him fast, for it will be a shield for him.” He did not say: “Let him masturbate.” Had it been permissible, he would have said: “Let him fast; if unable, then masturbate.” In short, the statement you have made is not supported by evidence, and praise be to Allah. Moreover, wine contains benefit yet was forbidden due to the preponderance of its harm. Allah, may He be exalted, said: {They ask you about wine and gambling. Say: In them is great sin and [yet] benefit for people, but their sin is greater than their benefit} [Al-Baqarah 2:219]. This refutes your statement: “How many diseases are warded off by masturbation.” Source: الفَتْحُ الرَّبَّانِي بِبَيانِ ضلالاتِ وكذِباتِ يحيى سِلْمِي السَّيْلانِي