Yusuf - 12:64

قَالَ هَلْ آمَنُكُمْ عَلَيْهِ إِلاَّ كَمَا أَمِنتُكُمْ عَلَى أَخِيهِ مِن قَبْلُ فَاللّهُ خَيْرٌ حَافِظًا وَهُوَ أَرْحَمُ الرَّاحِمِينَ
[12:64]
He said: I cannot trust in you with respect to him, except as I trusted in you with respect to his brother before; but Allah is the best Keeper, and He is the most Merciful of the merciful ones.
He said: "Shall I trust you with him with any result other than when I trusted you with his brother aforetime? But Allah is the best to take care (of him), and He is the Most Merciful of those who show mercy!"
He said: Can I entrust him to you save as I entrusted his brother to you aforetime? Allah is better at guarding, and He is the Most Merciful of those who show mercy.