﴿ وَلَوْلَآ إِذْ دَخَلْتَ جَنَّتَكَ قُلْتَ مَا شَآءَ ٱللَّهُ لَا قُوَّةَ إِلَّا بِٱللَّهِ ۚ إِن تَرَنِ أَنَا۠ أَقَلَّ مِنكَ مَالًۭا وَوَلَدًۭا ﴾

“And [he continued:] "Alas, if thou hadst but said, on entering thy garden, `Whatever God wills [shall come to pass, for] there is no power save with God!' Although, as thou seest, I have less wealth and offspring than thou,”

Please check ayah 18:41 for complete tafsir.