Place إِنَّ at the beginning of a nominal sentence to state the message with emphasis. In this lesson, it is often understood as “indeed” or “surely.”
Without إِنَّ
With إِنَّ
Meaning
زَيْدٌ صَالِحٌ
إِنَّ زَيْدًا صَالِحٌ
Zayd is pious → Indeed, Zayd is pious
الْعِلْمُ نَافِعٌ
إِنَّ الْعِلْمَ نَافِعٌ
Knowledge is beneficial → Surely, knowledge is beneficial