NET
2 The only thing I want to learn from you is this: Did you receive the Spirit by doing the works of the law or by believing what you heard?
Darby
2 This only I wish to learn of you, Have ye received the Spirit on the principle of works of law, or of [the] report of faith?
KJV
2 This only would I learn of you, Received ye the Spirit by the works of the law, or by the hearing of faith?