Surah Sad 38:20

وَشَدَدْنَا مُلْكَهُۥ وَءَاتَيْنَـٰهُ ٱلْحِكْمَةَ وَفَصْلَ ٱلْخِطَابِ

And We strengthened his kingdom and gave him wisdom and discernment in speech.

Translation: Saheeh International

Tafsir

And We strengthened his Kingdom We reinforced it with guards and hosts every night there thirty thousand men would be standing guard at his sanctuary; and gave him wisdom prophethood and sound judgement in all matters and decisive speech the ability to formulate a satisfactory statement for a decision in any endeavour.

Excerpt from Tafsir al-Jalalayn, commentary on 38:20, via Quran.com. The reader has the full commentary and 9 more tafsirs.