Hadith #189 (Sunan Ibn Majah)
Book: The Book of Purification and its Sunnah
Narrator(s): Abu 'Asim al-'Abdani أبو عاصم العباداني, Ibn Abi al-Shuwarab محمد بن عبد الملك بن أبي الشوارب, Jabir ibn 'Abdullah, Muhammad bin al-Munkdar bin 'Abdullah محمد بن المنكدر بن عبد الله بن الهدير

They all heard the Messenger of Allah say: ‘Complete the ablution. Woe to the heels because of Hell-fire.”

Source: https://parallelquran.com/hadith/sunan-ibn-majah-189/

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Hadith #1447 (Sunan Ibn Majah)
Book: Fasting
Narrator(s): Abu 'Asim al-'Abdani أبو عاصم العباداني, Swyd bin Sa'id سويد بن سعيد

“Umar bin Khattab said: ‘O Messenger of Allah! What about a person who fasts two days and does not fast one day?’ He said: ‘Is anyone able to do that?’ He said: ‘O Messenger of Allah! What about a person who fasts one day and not the next?’ He said: ‘That is the fast of Dawud.’ He said: ‘What about a man who fasts one day and does not fast the next two days?’ He said: ‘I wish that I were given the ability to do that.’”

Source: https://parallelquran.com/hadith/sunan-ibn-majah-1447/