Job 38:19

Where [is] the way [where] light dwelleth? and [as for] darkness, where [is] the place thereof,

Ver. 19. Where is the way where light dwelleth?] These are poetic terms likewise; which signify, or mean nothing else, but that God alone, without any help or work of any man, appointed the various points of sunrising and sunsetting.

And as for darkness, where is the place thereof?] i.e. Little canst thou tell what is become of it, or where the sun setteth; by the absence whereof cometh darkness. The truth is, our reason is by original sin so darkened that we understand not these lesser and common matters. Those that are more high and hard we learn not but with much labour and long experience. As for the mysteries of God, and things pertaining to salvation, we cannot at all attain unto them by human reason, as is to be seen in Nicodemus, John 3:9,10 1Co 2:14