Urantia Book
170:3.2
links to New Testament References (KJV):
Simple childlike belief:
Lk 18:16,
Mt 18:2,
Mk 9:36,
Lk 9:47,
Mk 10:13,
Mt 19:13
Also need righteousness:
Ac 10:35,
Mt 5:6,
Ja 2:14