Hadith #2130 (Sunan Abi Dawud)
Book: Marriage (Kitab Al-Nikah)
Narrator(s): Abdur-Razzaq عبد الرزاق بن همام, Hassan ibn Ali bin Abi Talib, Ibn Jurayj ابن جريج, Mkhld bin Khalid bin Yazid مخلد بن خالد بن يزيد الشعيري, Sa'id ibn al-Musayyib سعيد بن المسيب بن حزن أبو محمد القرشي, Safwan bin Slym al-Madni صفوان بن سليم المدني أبو عبد الله
Grade: Sahih

When the Prophet (ﷺ) congratulated a man on his marriage, he said: May Allah bless for you, and may He bless on you, and combine both of you in good (works).

Source: https://parallelquran.com/hadith/sunan-abi-dawud-2130/

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Hadith #2432 (Sunan Abi Dawud)
Book: Fasting (Kitab Al-Siyam)
Narrator(s): Abdul 'Aziz bin Muhammad al-Daruradi عبد العزيز بن محمد الدراوردي, Abu Ja'far al-Nafaili عبد الله بن محمد أبو جعفر النفيلي الحران, Safwan bin Slym al-Madni صفوان بن سليم المدني أبو عبد الله, Umar bin Thabit عمر بن ثابت الأنصاري
Grade: Da'if

I asked or someone asked the Prophet (ﷺ) about perpetual fasting. He replied: You have a duty to your family. Fast during Ramadan and the following month, and every Wednesday and Thursday. You will then have observed a perpetual fast.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-2432/

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Hadith #3051 (Sunan Abi Dawud)
Book: Tribute, Spoils, and Rulership (Kitab Al-Kharaj, Wal-Fai' Wal-Imarah)
Narrator(s): Abdullah bin Wahb عبد الله بن وهب بن مسلم القرشي, Safwan bin Slym al-Madni صفوان بن سليم المدني أبو عبد الله, Sulaiman bin Da'ud bin Da'ud سليمان بن داود بن داود بن علي
Grade: Da'if

The Prophet (ﷺ) said: Probably you will fight with a people, you will dominate them, and they will save themselves and their children by their property. The version of Sa’id has You will then conclude peace with them. The agreed version goes: Then do no take anything from them more than that, for it is not proper for you.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-3051/