﴿ فَمَكَثَ غَيْرَ بَعِيدٍۢ فَقَالَ أَحَطتُ بِمَا لَمْ تُحِطْ بِهِۦ وَجِئْتُكَ مِن سَبَإٍۭ بِنَبَإٍۢ يَقِينٍ ﴾

“But [the hoopoe] tarried but a short while; and [when it came] it said: “I have encompassed [with my knowledge] something that thou hast never yet encompassed [with thine] - for I have come to thee from Sheba with a tiding sure!”

Please check ayah 27:26 for complete tafsir.