Quran 19:11

فَخَرَجَ عَلَىٰ قَوۡمِهِۦ مِنَ ٱلۡمِحۡرَابِ فَأَوۡحَىٰٓ إِلَيۡہِمۡ أَن سَبِّحُواْ بُكۡرَةً۬ وَعَشِيًّ۬ا ١١

He came out to his family, from the sanctuary, and signaled to them: "Meditate (on Allah) day and night."