إنَّ مَن باعَ نَفسَهُ بغيرِ الجَنّةِ فقد عَظُمَتْ علَيهِ المِحْنةُ . ح: 3474

Whoever sells himself for [a price] less than Paradise, his ordeal is indeed severe. H: 3474

مَنِ اتَّخَذَ طاعةَ اللَّهِ بِضاعةً أتَتْهُ الأرْباحُ مِن غيرِ تِجارةٍ . ح: 8864

Whoever takes the obedience of Allah as a commodity will see profits without even trading. H: 8864