«فَمَنْ آنَسَتْ نَدًى بِيَدِهِ أَلْقَتْ وَرَقَةً مِنْهُنَّ لَدَيْهِ»
Whenever she sensed generosity in someone’s hand, she placed a slip beside that person.
The idiom means generosity, not moisture in a hand. The attendant places slips beside people who seem likely to give, so the petition’s effectiveness depends partly on audience selection.
Her inference remains an estimate, not knowledge of each person’s intentions. Nor can strategic distribution prove the petition’s truth. The scene separates the craft of persuasion from the reliability of the appeal.