"And we were not witnesses of the unseen." Qatadah said: He means, we did not think he would steal.
﴿وَمَا كُنَّا للغيب حافظين﴾.
قَالَ قَتَادَةُ: يَقُولُ: مَا كُنَّا نرى أَن يسرق