The promise is real how defeat begin double minded by staying focus on God not losing heart in the battle.
Bible Use English Standard Version Key Scripture Book James Chapter 1: 8, James Chapter 4:8
The word Double Minded  in The Greek dipsuchos from dis meaning "Twice" and psuche meaning "mind"
Describe someone who is divided in his interest or loyalties , wavering, uncertain , two faced, and half hearted.