Tafseer of The Cleaving · Al-Infitaar · 82:13
Indeed, the righteous will be in pleasure,
Important: The Arabic source text is always authoritative. This translation is a study aid and has not been verified by scholars — do not use it as a basis for religious proof or for deriving rulings (ahkam). When in doubt, always consult the Arabic text and a qualified scholar.
His statement: يَعْلَمُونَ مَا تَفْعَلُونَ ("They know what you do") means: these guardians know what you perform of good or evil; they record it against you precisely.