خَرَجَ أَبُو عَبْدِ اللَّهِ ع مِنَ الْمَدِينَةِ فِي أَيَّامٍ بَقِينَ مِنْ شَعْبَانَ فَكَانَ يَصُومُ ثُمَّ دَخَلَ عَلَيْهِ شَهْرُ رَمَضَانَ وَ هُوَ فِي السَّفَرِ فَأَفْطَرَ فَقِيلَ لَهُ تَصُومُ شَعْبَانَ وَ تُفْطِرُ شَهْرَ رَمَضَانَ فَقَالَ نَعَمْ شَعْبَانُ إِلَيَّ إِنْ شِئْتُ صُمْتُ وَ إِنْ شِئْتُ لَا[1] وَ شَهْرُ رَمَضَانَ عَزْمٌ مِنَ اللَّهِ عَزَّ وَ جَلَّ عَلَيَّ الْإِفْطَارُ.
“Once abu ‘Abd Allah (a.s.), commenced a journey just a few days before the end of the month of al-Sha‘ban and he (the Imam) was fasting. The month of Ramadan then started while he (the Imam) was still on his journey but he stopped fasting. He (the Imam) was asked, ‘How is it that you have been fasting in the month of