The Wisdom (Al-Ḥikmah) is from the Qur’an Alone.

وَإِنَّكَ لَتُلَقَّى ٱلْقُرْءَانَ مِن لَّدُنْ حَكِيمٍ عَلِيمٍ ۝

And indeed, [O Muhammad], you receive the Qur’an from one Wise and Knowing. (Qur’an 27:6)

الٓمٓ ۝ تِلْكَ ءَايَـٰتُ ٱلْكِتَـٰبِ ٱلْحَكِيمِ ۝

alif lām mīm, These are verses of the wise Book, (Qur’an 31-1-2)

يسٓ ۝ وَٱلْقُرْءَانِ ٱلْحَكِيمِ ۝

yā sīn, By the wise Qur’an (Qur’an 36:1-2)

The Qur’an Alone contains the Wisdom that is all Deen-related, that which is of core importance.

Ḥukm (حُكم) is of the same root as Ḥikmah and Ḥakeem, and it generally means Judgements, Judgements only come from Allah, and are only in the Qur’an because only the Qur’an comes from Allah through His Rasul, Nabi Muḥammad (Peace be upon him).

أَوَلَمْ يَرَوْا۟ أَنَّا نَأْتِى ٱلْأَرْضَ نَنقُصُهَا مِنْ أَطْرَافِهَا وَٱللَّـهُ يَحْكُمُ لَا مُعَقِّبَ لِحُكْمِهِۦ وَهُوَ سَرِيعُ ٱلْحِسَابِ ۝

Have they not seen that We set upon the land, reducing it from its borders? And Allah judges; there is no adjuster of His judgement. And He is swift in account. (Qur’an 13:41)

أَفَغَيْرَ ٱللَّـهِ أَبْتَغِى حَكَمًا وَهُوَ ٱلَّذِىٓ أَنزَلَ إِلَيْكُمُ ٱلْكِتَـٰبَ مُفَصَّلًا وَٱلَّذِينَ ءَاتَيْنَـٰهُمُ ٱلْكِتَـٰبَ يَعْلَمُونَ أَنَّهُۥ مُنَزَّلٌ مِّن رَّبِّكَ بِٱلْحَقِّ فَلَا تَكُونَنَّ مِنَ ٱلْمُمْتَرِينَ ۝

[Say], “Then is it other than Allah I should seek as judge while it is He who has revealed to you the Book explained in detail?” And those to whom We [previously] gave the Scripture know that it is sent down from your Lord in truth, so never be among the doubters. (Qur’an 6:114)