Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
malik:2-63 – Mālik > Ibn Shihāb > Sālim b. ʿAbdullāh > Raʾayt Abū ʿAbdullāh b. ʿUmar Yaghtasil Thum Yatawaḍḍaʾ > Lah Yā Abat Amā Yajzīk al-Ghusl Min al-Wuḍūʾ

Yahya related from Malik from Ibn Shihab that Salim ibn Abdullah said, "I saw my father Abdullah ibn Umar, do ghusl and then do wudu. I said to him, 'Father, isn't ghusl enough for you?' He said, 'Of course, but sometimes I touch my penis, so I do wudu.' "  

مالك:٢-٦٣ – وَحَدَّثَنِي عَنْ مَالِكٍ عَنِ ابْنِ شِهَابٍ عَنْ سَالِمِ بْنِ عَبْدِ اللَّهِ أَنَّهُ قَالَ رَأَيْتُ أَبِي عَبْدَ اللَّهِ بْنَ عُمَرَ يَغْتَسِلُ ثُمَّ يَتَوَضَّأُ فَقُلْتُ لَهُ يَا أَبَتِ أَمَا يَجْزِيكَ الْغُسْلُ مِنَ الْوُضُوءِ

قَالَ بَلَى وَلَكِنِّي أَحْيَانًا أَمَسُّ ذَكَرِي فَأَتَوَضَّأُ  

See similar narrations below:

Collected by Bayhaqī
bayhaqi:630 – Mālik > Ibn Shihāb > Sālim b. ʿAbdullāh > Raʾayt ʿAbdullāh b. ʿUmar Yaghtasil Thum Yatawaḍḍaʾ > Lah Yā Abat Mā Yujzīk al-Ghusl from al-Wuḍūʾ

[Machine] Yes, but sometimes I remember yesterday so I perform ablution.  

البيهقي:٦٣٠ – وَبِإِسْنَادِهِ قَالَ ثنا مَالِكٌ عَنِ ابْنِ شِهَابٍ عَنْ سَالِمِ بْنِ عَبْدِ اللهِ أَنَّهُ قَالَ رَأَيْتُ عَبْدَ اللهِ بْنِ عُمَرَ يَغْتَسِلُ ثُمَّ يَتَوَضَّأُ فَقُلْتُ لَهُ يَا أَبَتِ مَا يُجْزِيكَ الْغُسْلُ مِنَ الْوُضُوءِ؟ قَالَ

بَلَى وَلَكِنِّي أَحْيَانًا أَمَسُّ ذَكَرِي فَأَتَوَضَّأُ