Surah Al-'Ankabut 29:23
وَٱلَّذِينَ كَفَرُوا۟ بِـَٔايَـٰتِ ٱللَّهِ وَلِقَآئِهِۦٓ أُو۟لَـٰٓئِكَ يَئِسُوا۟ مِن رَّحْمَتِى وَأُو۟لَـٰٓئِكَ لَهُمْ عَذَابٌ أَلِيمٌ
And the ones who disbelieve in the signs of Allāh and the meeting with Him - those have despaired of My mercy, and they will have a painful punishment.
Translation: Saheeh International
Tafsir
And those who disbelieve in God’s signs and the encounter with Him namely the Qur’ān and the Resurrection respectively they have despaired of My mercy that is of attaining My Paradise and for those there shall be a painful chastisement.
Excerpt from Tafsir al-Jalalayn, commentary on 29:23, via Quran.com. The reader has the full commentary and 9 more tafsirs.