Translation:

3. Thus doth (He) send Inspiration to thee as (He did) to those before thee Allah Exalted in Power full of Wisdom.

Notes (Tafseer)

4528. Inspiration is full of Power and Wisdom, and both these qualities are derived from the Power and Wisdom of Allah. Unlike human power, this Power is necessarily good and merciful; unlike human wisdom, this Wisdom is necessarily complete and indisputable.