He said: I heard Ibn al-Mubarak saying: "Faith is speech and action, and it varies in degree."
قَالَ: وَسَمِعْتُ ابْنَ الْمُبَارَكِ يَقُولُ: «الْإِيمَانُ قَوْلٌ وَعَمَلٌ، يَتَفَاضَلُ»
