﴿ ذِكْرُ رَحْمَتِ رَبِّكَ عَبْدَهُۥ زَكَرِيَّآ ﴾

“AN ACCOUNT of the grace which thy Sustainer bestowed upon His servant Zachariah:”

(A mention of the mercy of your Lord) He says: this a mention of your Lord (unto His servant Zachariah) His mercy unto him was by giving him a son.