"And We place the scales of justice" (meaning: equity) "for the Day of Resurrection, so no soul will be treated unjustly in the least." It will not be diminished of the reward for its deeds. "And if there is the weight of a mustard seed," meaning: the weight of a mustard seed, "We will bring it forth, and sufficient are We as accountant." Al-Hasan said: No one knows the accounting of the weights of atoms and mustard seeds except Allah, and none shall account for the servants except Him.