And knew him not. — Compare the converse statement descriptive of the love of mm who could recognise his lost son under a disguise as great as that of Job, or even greater (Luke 15:20).
Related Commentaries of Job 2:12
Job 2:12
12 And when they lifted up their eyes afar off, and knew him not, they lifted up their voice, and wept; and they rent every one his mantle, and sprinkled dust upon their heads toward heaven.