How does man know that his heart is sick?

How does man know that his heart is sick?
Ibn al-mu'minin has mentioned some signs in this regard:
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When humans prefer preferential things to the rest, they understand that my heart is sick, for example, the world's house looks good, but it is not a matter of making the home of the next. The world is respected, but the heart is not in the heart of honor or humiliation. It is easy to find the world, but it does not care to avoid the punishment of the Hereafter.
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When people stop crying, they understand that his heart is tough. Remember that sometimes the eyes of man cry and the heart of man ever cries. The heart of the heart extends over the eyes of the eyes. It is not necessary that the exit of water from the eye is called to cry, but many of God's servants also are crying to them, even though their eyes do not get water, but their heart is heard from Allah Become popular and the doors of acceptance are opened for their repentance. So some of the heart and eyes should have anything to stop. And some are such that their two things are crying. The eyes are crying and the heart is crying too.
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I do not want to meet the creatures but I do not remember it. So understand that this is my heart's death. People have relationships with each other that they have the desire to meet each other, they are depressed and wait, but they do not remember the meeting of Allah Almighty.
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When the person's self is scared of the remembrance of the Almighty and is happy to be with the creature, he also knows the death of heart. The intimidation of God's remembrance means that when the heart of man tries to read, appreciate and meditate on his heart. He feels loaded on the spot. Understand a small principle that if a slave wants to associate with Allaah, see sitting on his face. Zakir, sits on the matter with the same comfort as the child sits in the lap of mother, and it is difficult to sit on the one in whose heart it is cooked. He runs out of the mosque and goes away from the mosque. Many are insulting that their heart is not ready to come to the mosque.