'Everlasting' in the Bible

the sons of Aaron, the priests, shall blow with the trumpets; and they shall be to you for an everlasting statute throughout your generations.

As to the congregation, there shall be one statute for you, and for the stranger that sojourneth with you, an everlasting statute throughout your generations: as ye are, so shall the stranger be, before Jehovah.

And Jehovah spoke to Aaron, And I, behold, I have given thee the charge of my heave-offerings, of all the hallowed things of the children of Israel; to thee have I given them, because of the anointing, and to thy sons by an everlasting statute.

And this shall be thine: the heave-offering of their gift, with all the wave-offerings of the children of Israel; I have given them unto thee, and to thy sons and to thy daughters with thee, by an everlasting statute; every one that is clean in thy house shall eat of it.

All the heave-offerings of the holy things, which the children of Israel offer to Jehovah, have I given thee, and to thy sons and to thy daughters with thee, by an everlasting statute: it shall be an everlasting covenant of salt before Jehovah unto thee and thy seed with thee.

But the Levite, he shall perform the service of the tent of meeting, and they shall bear their iniquity: it is an everlasting statute throughout your generations. And among the children of Israel shall they possess no inheritance;

And he that hath gathered the ashes of the heifer shall wash his clothes, and be unclean until the even. And it shall be unto the children of Israel, and unto the stranger that sojourneth among them, an everlasting statute.

And it shall be an everlasting statute unto them. And he that sprinkleth the water of separation shall wash his garments, and he that toucheth the water of separation shall be unclean until even.

And he shall have it, and his seed after him, even the covenant of an everlasting priesthood; because he was zealous for his God, and made an atonement for the children of Israel.