Istighfar is the act of seeking forgiveness from Allah by reciting phrases such as "Astaghfirullah." It is more than just a verbal utterance; it requires sincere remorse in the heart and a firm intention to avoid repeating the sin. Istighfar is a primary means of spiritual purification and a way to maintain a humble relationship with the Creator. In Islamic theology, frequent Istighfar is believed to bring Divine mercy, increase one's sustenance, and provide relief from anxiety. Even the Prophet (PBUH), despite his sinless nature, sought forgiveness dozens of times a day as an example for his followers. Istighfar is a form of dhikr (remembrance) that cleanses the soul. The Prophet said: "By Allah, I seek forgiveness from Allah and turn to Him in repentance more than seventy times a day." This was despite his sinlessness, teaching his followers the importance of constant turning to Allah. The benefits of Istighfar are numerous. It brings forgiveness for sins, removes the effects of sin, opens doors of mercy, increases provision, and relieves anxiety. The Quran mentions that the Prophet Noah told his people: "Ask forgiveness of your Lord. Indeed, He is ever a Perpetual Forgiver. He will send [rain from] the sky upon you in pouring showers and provide you with wealth and children and make for you gardens and make for you rivers" (71:10-12). Istighfar is not only for major sins but for all shortcomings: forgetfulness, negligence, and even the subtle sins of the heart such as pride or envy. The believer who constantly seeks forgiveness remains humble and aware of their need for Allah. The best times for Istighfar are before Fajr, after prayers, and before sleeping. The Prophet said that Allah descends to the lowest heaven in the last third of the night and asks: "Who is asking of Me, that I may give him? Who is seeking forgiveness, that I may forgive him?" Istighfar is a shield against punishment. The Quran says: "But Allah would not punish them while you, [O Muhammad], are among them, and Allah would not punish them while they seek forgiveness" (8:33). This verse shows that seeking forgiveness can avert punishment. Istighfar cultivates humility. It reminds believers that they are not perfect, that they constantly need Allah's mercy, and that turning to Him in repentance is the path to purification and closeness to Him.