James
James 1:6BSB·traditional attribution

But he must ask in faith, without doubting, because he who doubts is like a wave of the sea, blown and tossed by the wind.

John Calvin Reformed @genevareformer

6 But let him ask in faith. He shews here, first the right way of praying; for as we cannot pray without the word, as it were, leading the way, so we must believe before we pray; for we testify by prayer, that we hope to obtain from God the grace which he has promised. Thus every one who has no faith in the promises, prays dissemblingly.

Matthew Henry Presbyterian @wholebiblehenry

We now come to consider the matter of this epistle. In this paragraph we have the following things to be observed: - I. The suffering state of Christians in this world is represented, and that in a very instructive manner, if we attend to what is plainly and necessarily implied, together with what is fully expressed. 1.

Commenting on James 1:2-12

John Gill Reformed Baptist @doctorgill

But let him ask in faith,.... Not only in the faith of the divine Being that God is; but in the faith of the promises he has made; and in the faith of his power and faithfulness to perform them; and in the faith of this, that whatever is asked, according to the will of God, and is for his glory, and his people's good, shall be given.