The Greatest DenominatorGreatest Denominator

Quran 17:23-24

IslamQuran 17:23-24
Thy Lord hath decreed that ye worship none but Him, and that ye be kind to parents. Whether one or both of them attain old age in thy life, say not to them a word of contempt, nor repel them, but address them in terms of honour. And, out of kindness, lower to them the wing of humility, and say: "My Lord! bestow on them thy Mercy even as they cherished me in childhood."

وَقَضَىٰ رَبُّكَ أَلَّا تَعْبُدُوٓا۟ إِلَّآ إِيَّاهُ وَبِٱلْوَٰلِدَيْنِ إِحْسَـٰنًا ۚ إِمَّا يَبْلُغَنَّ عِندَكَ ٱلْكِبَرَ أَحَدُهُمَآ أَوْ كِلَاهُمَا فَلَا تَقُل لَّهُمَآ أُفٍّ وَلَا تَنْهَرْهُمَا وَقُل لَّهُمَا قَوْلًا كَرِيمًا وَٱخْفِضْ لَهُمَا جَنَاحَ ٱلذُّلِّ مِنَ ٱلرَّحْمَةِ وَقُل رَّبِّ ٱرْحَمْهُمَا كَمَا رَبَّيَانِى صَغِيرًا

The same idea in other traditions


ConfucianismAnalects 4.21
The Master said, "The years of parents may by no means not be kept in the memory, as an occasion at once for joy and for fear."
SikhismSGGS Ang 62
Call everyone exalted; no one seems lowly. The One Lord has fashioned the vessels, and His One Light pervades the three worlds.
SufismBustan, ch. 8
Sorrowed at the conduct of her son, who gave no ear to her advice, a woman brought to him the cradle in which once he slept, and said: “O weak in love and forgetful of the past! Wast thou not a weeping and helpless child, for whom through many nights I sacrificed my sleep? …
TaoismTao Te Ching 18
When the Great Tao (Way or Method) ceased to be observed, benevolence and righteousness came into vogue. (Then) appeared wisdom and shrewdness, and there ensued great hypocrisy. When harmony no longer prevailed throughout the six kinships, filial sons found their manifestation; when the states and clans fell into disorder, loyal ministers appeared.