Jephthah knows about God, and his knowledge about God is correct, but Jephthah doesn't know God! Think of this! He is facing the greatest crisis of his life, and he doesn't know God! He only knows about Him.

Miracles do not proceed from my high ambition to do great work for Jesus. He took the little they had to offer and blessed it and broke it. Blessed and broken. How simple and humble are God's ways of working!

The prophecies were intended for the comfort and edification of those who have paid the price of buying the truth. They cannot be properly understood in all the fullness of their blessing until this step is taken.