﴿ وَلَا يَأْتُونَكَ بِمَثَلٍ إِلَّا جِئْنَٰكَ بِٱلْحَقِّ وَأَحْسَنَ تَفْسِيرًا ﴾

“and [that] they [who deny the truth] might never taunt thee with any deceptive half-truth without Our conveying to thee the [full] truth and [providing thee] with the best explanation.”

Please check ayah 25:34 for complete tafsir.