Thus saith the Lord God to these bones: Behold, I will send spirit into you, and you shall live.

Thus said the Lord Jehovah to these bones: Lo, I am bringing into you a spirit, and ye have lived,

This is what the Lord has said to these bones: See, I will make breath come into you so that you may come to life;

Behold, I will cause breath - רוח ruach signifies both soul, breath, and wind; and sometimes the Spirit of God. Soul is its proper meaning in this vision, where it refers to the bones: "I will cause the Soul to enter into you."

Thus saith the Lord God unto these bones,.... By the prophet, who was sent to prophesy over them:
behold, I will cause breath to enter into you, and ye shall live; and none could do this but the living God, who breathed the breath of life into Adam at first, and he became a living soul; to which there seems to be an allusion here; and when the Lord puts his Spirit into men, or bestows his grace on them, then they shall live, and not till then.

I . . . cause breath to enter into you--So Isaiah 26:19, containing the same vision, refers primarily to Israel's restoration. Compare as to God's renovation of the earth and all its creatures hereafter by His breath, Psalm 104:30.
ye shall live--come to life again.