TSK
Treasury of Scripture Knowledge references in ASV.
For the mountains may depart, and the hills be removed; but my lovingkindness shall not depart from thee, neither shall my covenant of peace be removed, saith Jehovah that hath mercy on thee.
And ye shall know that I have sent this commandment unto you, that my covenant may be with Levi, saith Jehovah of hosts.
Behold, I send my messenger, and he shall prepare the way before me: and the Lord, whom ye seek, will suddenly come to his temple; and the messenger of the covenant, whom ye desire, behold, he cometh, saith Jehovah of hosts.