Numbers 21

Read John 3, and see if you can find John's reference to verses 4-9 in Numbers 21.

This is a great way to broaden your knowledge of Scripture, your own cross referencing. When you come across a verse that relates to another verse in the Bible, make a note of each corresponding verse in the margin. So when you find those verses in John 3, write next to them, Numbers 21:4-9 and then by Numbers 21:4-9, write John 3: (?)