According to Sheikh Ibrahim Adham, the reason or the signs of dead heart are:
~ Admit know God, but not fulfilling his rights.
~ Admit to Allah's love, but ignore the Sunnah.
~ Reading the Quran, but did not follow the laws in it.
~ Receive the Grace of Allah Almighty, but not thanks for His giving.
~ Admit devil is an enemy, but does not fight against it.
~ Admit the blessings of heaven, but do not strive to get it.
~ Admit the punishment, but do not try to avoid it.
~ Admit death is the time for every soul, but still not ready for it.
~ Busied himself opening the embarrassment of others, but forget the disgrace of self.
~ Sending and bury the corpse / dead brother se-Islam, but do not take lesson of it.
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