The thoughts of my heart, &c.— The gnawings of my heart (Job 17:12.) causeth it to be night instead of day; the light is short in comparison of darkness. Heath.
Related Commentaries of Job 17:11
Job 17:11-12
11 My days are past, my purposes are broken off, even the thoughtsf of my heart.
12 They change the night into day: the light is shortg because of darkness.