Muwatta Malik 351
موطأ مالك#351Da'ifThese are the words of a Successor — the generation after the Companions — not of the Prophet ﷺ.
وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ الْقَاسِمَ بْنَ مُحَمَّدٍ، وَعُرْوَةَ بْنَ الزُّبَيْرِ، وَأَبَا، بَكْرِ بْنَ عَبْدِ الرَّحْمَنِ كَانُوا يَتَنَفَّلُونَ فِي السَّفَرِ . قَالَ يَحْيَى وَسُئِلَ مَالِكٌ عَنِ النَّافِلَةِ فِي السَّفَرِ فَقَالَ لاَ بَأْسَ بِذَلِكَ بِاللَّيْلِ وَالنَّهَارِ وَقَدْ بَلَغَنِي أَنَّ بَعْضَ أَهْلِ الْعِلْمِ كَانَ يَفْعَلُ ذَلِكَ .
Yahya related to me from Malik that he had heard that al-Qasim ibn Muhammad and Urwa ibn az-Zubayr and Abu Bakr ibn Abd ar Rahman used to pray nawafil when travelling. Yahya said that Malik was asked about voluntary prayers when travelling and he said, "There is no harm in them, either at night or during the day. I have heard that some of the people of knowledge used to do that
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 9:26