Tafsir of At-Takweer 81:14

Every person will know what he has brought. This is the conclusive response of the previous statements, meaning at the time these matters occur, every soul will know what it has done, and that will be brought forth for it, as Allah says,

يوم تجد كل نفس ما عملت من خير محضرا وما عملت من سوء تود لو أن بينها وبينه أمدا بعيدا

On the Day when every person will be confronted with all the good he has done, and all the evil he has done, he will wish that there were a great distance between him and his evil. (3:30) Allah also says,

ينبٲ اﻻنسن يوميذ بما قدم وأخر

On that Day man will be informed of what he sent forward, and what he left behind. (75:13)