The Etiquettes of Dua (Supplication)

536. “The believer recites Dua but its fulfillment is delayed till Friday.”
It has been reported on the authority of the Holy Prophet (SAW):

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537. “A servant of God says: O God! Forgive me. But God turns away from him. Again he will say: O God! Forgive me. God turns away from him for the second time. The man says again: O God! Forgive me. Here God says to the angels: Don’t you see My servant? He asked Me for forgiveness while I was turning away from him. He asked for forgiveness for the second time. I turned away from him again. He asked for forgiveness for the third time. My servant realized that no one but Me forgives the sins. I take you as witness that I have forgive him.”
The Holy Prophet (SAW) has said:

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538. “God loves mostly those of His servant who often recite Dua.”
It has been reported on the authority of Imam Sadeq (AS):

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“Amiralmomenin was a man engaged in Dua most of the time.”
The Holy Prophet (SAW) has described Dua as a weapon:

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“Shall I introduce to you a weapon which will both keep you safe from the evils of your enemies and have your sustenance increased? They said: Yes, O Messenger of Allah! The Holy Prophet said: Call upon your Lord day and night with Dua, for Dua is the weapon of the believer.”
O follower of truth! Let it be known to you that there are four enemies against you: Carnal desire, the world, Satan and concupiscence which have been mentioned in the Dua of the Infallibles as follow:

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