And likewise, al-Zuhri said: "Iman (faith) is action, and Islam is the profession of faith (kalimah)."
وَكَذَلِكَ قَالَ الزُّهْرِيُّ: «الْإِيمَانُ الْعَمَلُ، وَالْإِسْلَامُ الْكَلِمَةُ»