John 9 - NIV Essentials Study Bible

9:1–12 Jesus performed more miracles of this kind than of any other. Giving sight to the blind was predicted as a Messianic activity (see Isa 29:18; 35:5 and notes; 42:7). Thus these miracles were additional evidence that Jesus was the Messiah (see 20:31 and note).

9:7 Pool of Siloam. Until recent years the general site of the pool on the southern end of the main ridge on which Jerusalem was built was marked by a structure from the Byzantine period. In 2004, however, archaeologists identified nearby remains that proved to be the original Pool of Siloam of Jesus’ day. The aqueduct leading into the pool served as part of the major water system developed by King Hezekiah (see 2Ki 20:20; see also note on Job 28:10).

9:38 he worshiped him. The man was giving Jesus the reverence due to God.

9:39 For judgment. In a sense Jesus did not come for judgment (see 3:17; 12:47 and note), but his coming divides people, and this always brings a type of judgment. Those who reject his gift end up “blind.”