But let him ask in faith, with no doubting, for he who doubts is like a wave of the sea driven and tossed by the wind.
James 1:6
Surrounding context
1:5 If any of you lacks wisdom, let him ask of God, who gives to all liberally and without reproach, and it will be given to him.
1:6 But let him ask in faith, with no doubting, for he who doubts is like a wave of the sea driven and tossed by the wind.
1:7 For let not that man suppose that he will receive anything from the Lord;