Hadith

أَعْطُوا الأَجِيرَ أَجْرَهُ قَبْلَ أَنْ يَجِفَّ عَرَقُهُ

رَسُولُ اللَّهِ صلى الله عليه وسلم

“Give the worker his wages before his sweat dries.”

-Prophet Muhammad (SAW)

-reference: Sunan Ibn Majah 2443