It was narrated from 'Ā'ishah -raḍhiyallāhu ‘anhā- that she said:

"O Messenger of Allāh, what should I say in my supplication if I reach Laylatul-Qadr?"
He said: "Say: 'Allāhumma innaka 'afuwwun tuḥibbul-'afwa, fa'fu 'anni
(O Allāh, You are Forgiving and love to forgive, so forgive me).'"

Reported by Tirmithī (8025) | graded "Ṣaḥīḥ" by Sheikh Albāni in Silsilah Aṣ-Ṣaḥīḥah
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There must be a reason why the Prophet ﷺ specified this du'ā, so let's reflect over the meanings contained in these concise words...

The word ‘Afw (pardon/wellbeing) entails:

1⃣ - wellbeing in one's limbs

2⃣ - wellbeing in one's religion

3⃣ - pardon and forgiveness from Allāh

Wellbeing in one's limbs is that the person is cured and saved from all sorts of illnesses.

Wellbeing in one's religion is that the person is given success to perform righteous deeds.

Pardon & forgiveness from Allāh is that He overlooks and pardons a person by erasing their sins and not punishing them.

Additionally, from the linguistic meanings of "Al 'Afw" is:
increment and abundance.

So ‘Afw in wealth refers to it’s increment, just as Allāh ﷻ said:

{یَسۡـَٔلُونَكَ مَاذَا یُنفِقُونَۖ قُلِ ٱلۡعَفۡوَ}

“They ask you [O Mūḥammad ﷺ] what they should spend, Say, Al 'Afw”
[Sūrah Al-Baqarah 219]

i.e. that which is surplus to one's necessary expenditure.

And Allāh's ‘Afw is that He grants a person what he asks for AND MORE.

So let us increase in repeating this du'ā without slackening - especially during these blessed nights.

((اللَّهُمَّ إِنَّكَ عَفُوٌّ تُحِبُّ الْعَفْوَ فَاعْفُ عَنِّي))

“O Allāh, You are the One Who pardons and loves to pardon, so pardon us.”

Ref:
https://t.me/ShaykhYahyaEn/716

Those Who May Not Be Forgiven On Laylatul-Qadr

Legislated Actions During Laylatul-Qadr 

Ash-Shaykh Saalih Al-Fawzaan, may Allaah preserve him 

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Emotional advice about the ending of Ramadhaan by Shaykh Fawzaan, may Allaah preserve him

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Advice On How To Seal The Month Of Ramadhaan

Al-'Allaamah Ibn Baaz, may Allaah have mercy upon him:

"It's appropriate that a believer be eager to seal [the month] with the best that he is able to of remembering Allaah [on his tongue and heart]; seeking His forgiveness; turning to Him with repentance - exalted is He in His perfection; and asking Him, All-High is He and Majestic, for acceptance and forgiveness, and that He make him reach other Ramadaans in the manner that pleases Him, exalted is He in His perfection."

[Sharh Lataaif Al-Ma’aarif, Pg. 246]

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Abuu Ayyuub Al-Ansaaree, may Allaah be pleased with him, reported: The Prophet (ﷺ) said, “Whoever fasted the month of Ramadhaan and then followed it with six (days of fasting) of Shawwaal, it is like he fasted for the entire year.”

[Saheeh Muslim, Hadeeth No. 1164]

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بسم الله الرحمن الرحيم

Our brother Abū Ishāq - may Allāh preserve him - accidentally deleted his Madrasatunā Telegram channel and has had to start again from scratch.

If you would like to continue benefiting from him, please join and share his new channel:

https://t.me/madrasatunaa

May Allāh increase him in goodness & grant him success in his da'wah!