Ibn al-Qayyim said:
"A person's adab is a sign of his happiness and success. The lack of adab is a sign of his misery and ruin. The goodness of the dunya and akhirah is drawn by the likes of adab, and the deprivation of their goodness is drawn by the lack of adab."
[مدارج السالكين ٣٦٨/٢]














