Tafsir of Al-Mutaffifeen 83:24

You will recognize in their faces the brightness of delight. meaning, `you will notice a glow of delight in their faces when you look at them.' This is a description of - opulence, - decorum, - happiness, - composure, and - authority that they will be experiencing from this great delight. Concerning Allah's statement,

يسقون من رحيق مختوم