'Art' in the Bible

For to which of the angels said he ever, Thou art my Son: this day have I begotten thee? and again, I will be to him for father, and he shall be to me for son?

and as a covering shalt thou roll them up, and they shall be changed; but thou art the Same, and thy years shall not fail.

Thus the Christ also has not glorified himself to be made a high priest; but he who had said to him, Thou art my Son, I have to-day begotten thee.

Even as also in another place he says, Thou art a priest for ever according to the order of Melchisedec.

For it is borne witness, Thou art a priest for ever according to the order of Melchisedec.

(for they are become priests without the swearing of an oath, but he with the swearing of an oath, by him who said, as to him, The Lord has sworn, and will not repent of it, Thou art priest for ever according to the order of Melchisedec;)