The Urantia Book Study Edition
Urantia Book 170:2.16 links to New Testament References (KJV):
Believe end sudden, spectacular:
2Pe 3:10,
Mk 13:24,
Lk 21:11,
Ac 2:19,
Mt 24:29
Mustard seed:
Mt 13:31,
Mk 4:31,
Lk 13:19
Leaven in dough:
Mt 13:33,
Lk 13:21