﴿ قَالَ لَا يَأْتِيكُمَا طَعَامٌۭ تُرْزَقَانِهِۦٓ إِلَّا نَبَّأْتُكُمَا بِتَأْوِيلِهِۦ قَبْلَ أَن يَأْتِيَكُمَا ۚ ذَٰلِكُمَا مِمَّا عَلَّمَنِى رَبِّىٓ ۚ إِنِّى تَرَكْتُ مِلَّةَ قَوْمٍۢ لَّا يُؤْمِنُونَ بِٱللَّهِ وَهُم بِٱلْءَاخِرَةِ هُمْ كَٰفِرُونَ ﴾

“[Joseph] answered: "Ere there comes unto you the meal which you are [daily] fed, I shall have informed you of the real meaning of your dreams, [so that you might know what is to come] before it comes unto you: for this is [part] of the knowledge which my Sustainer has imparted to me. "Behold, I have left behind me the ways of people who do not believe in God, and who persistently refuse to acknowledge the truth of the life to come;”

Please check ayah 12:38 for complete tafsir.