NET
34 But I say to you, do not take oaths at all—not by heaven, because it is the throne of God,
Darby
34 But *I* say unto you, Do not swear at all; neither by the heaven, because it is [the] throne of God;
KJV
34 “But I say unto you, Swear not at all; neither by heaven; for it is God's throne:”