فَقَدْ قَالَ الصَّادِقُ ع لَيْسَ مِنَ الْبِرِّ الصَّوْمُ فِي السَّفَرِ.
English translationBab Ul Qaim Publications
[Regarding fasting voluntarily while traveling] Hadith.1981 - Imam Jafar ibn Muhammad Al-Sadiq (as) said: "Fasting while traveling is not an act of righteousness."
Translation: Bab Ul Qaim Publications·Thaqalayn link·The Arabic above is the original.