It is narrated from Abu Al-Aliyah (may Allah have mercy on him) that we were instructed to seal the goods, measure the goods, and count them so that the servants would not become accustomed to bad manners (such as theft and dishonesty), or so that we would not develop suspicion about them.
Hadith Referenceالادب المفرد / كتاب / 167
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : أخرجه المروزي فى البر و الصلة : 352»