Surah Al-A'raf 7:205

وَٱذْكُر رَّبَّكَ فِى نَفْسِكَ تَضَرُّعًا وَخِيفَةً وَدُونَ ٱلْجَهْرِ مِنَ ٱلْقَوْلِ بِٱلْغُدُوِّ وَٱلْـَٔاصَالِ وَلَا تَكُن مِّنَ ٱلْغَـٰفِلِينَ

And remember your Lord within yourself in humility and in fear without being apparent in speech - in the mornings and the evenings. And do not be among the heedless.

Translation: Saheeh International

Tafsir

And remember your Lord within yourself that is secretly humbly submissively and fearfully in awe of Him and louder than speaking in secret more quietly than speaking out loud that is a middle way between the two at morning and evening at the beginning of the day and at its end. …

Excerpt from Tafsir al-Jalalayn, commentary on 7:205, via Quran.com. The reader has the full commentary and 9 more tafsirs.