I have sworn - I, too have made a vow which I will fulfil. Since ye will not hear Me speaking and warning, hear Me swearing.
by my great name - that is, by Myself (Gen 22:16), the greatest by whom God can swear (Heb 6:13, Heb 6:14).
my name shall no more be named - The Jews, heretofore, amidst all their idolatry, had retained the form of appeal to the name of God and the law, the distinctive glory of their nation; God will allow this no more (Eze 20:39): there shall be none left there to profane His name thus any more.