Al-Isra' - ১৭:১০৯

وَيَخِرُّونَ لِلأَذْقَانِ يَبْكُونَ وَيَزِيدُهُمْ خُشُوعًا
[17:109]
And they fall down on their faces weeping, and it adds to their humility.
They fall down on their faces in tears, and it increases their (earnest) humility.
They fall down on their faces, weeping, and it increaseth humility in them.