[Cuando su hijo alcanzó la pubertad, le dije:] “¡Oh, Juan! Aférrate al
Libro[1] con firmeza”. Le concedí sabiduría desde su infancia,
1سَوِيًّا means healthy. This word has been added here to denote that Sayyidna Zakariyya's (علیہ السلام) loss of speech for three days was not due to any illness, for during this entire period of three days he could utter words of prayer and supplication. This special condition was a miracle and a sign from Allah Ta’ ala about his wife's pregnancy.