Al-Kahf 18:39
وَلَوْلَآ إِذْ دَخَلْتَ جَنَّتَكَ قُلْتَ مَا شَآءَ ٱللَّهُ لَا قُوَّةَ إِلَّا بِٱللَّهِ ۚ إِن تَرَنِ أَنَا۠ أَقَلَّ مِنكَ مَالًا وَوَلَدًا
Walawla ith dakhalta jannatakaqulta ma shaa Allahu la quwwata illabillahi in tarani ana aqalla minka malanwawalada
"And why did you, when you entered your garden, not say, 'What Allāh willed [has occurred]; there is no power except in Allāh'? Although you see me less than you in wealth and children,"
Al-Kahf 18:39, translation by Sahih International
A short reflection
If only you had said upon entering your garden: What Allah willed. There is no power except in Allah.