And the LORD said unto me, They have well spoken that which they have spoken.(Deuteronomy 18:17)

I will raise them up a Prophet from among their brethren, like unto thee, and will put my words in his mouth; and he shall speak unto them all that I shall command him.(Deuteronomy 18:18)

And it shall come to pass, that whosoever will not hearken unto my words which he shall speak in my name, I will require it of him.(Deuteronomy 18:19)

But the prophet, which shall presume to speak a word in my name, which I have not commanded him to speak, or that shall speak in the name of other gods, even that prophet shall die.

And if thou say in thine heart, How shall we know the word which the LORD hath not spoken?(Deuteronomy 18:21)

When a prophet speaketh in the name of the LORD, if the thing follow not, nor come to pass, that is the thing which the LORD hath not spoken, but the prophet hath spoken it presumptuously: thou shalt not be afraid of him.(Deuteronomy 18:22)

When the LORD thy God hath cut off the nations, whose land the LORD thy God giveth thee, and thou succeedest them, and dwellest in their cities, and in their houses;(Deuteronomy 19:1)

Other publications related to "Deuteronomy 18:20":

Our word will not return empty
An article by Charles Spurgeon titled Our word will not return empty about how every preacher and believer should aspire to be like Jeremiah, who was accepted by God for telling the truth and carrying out Gods work.

When God gives a Word it will be fulfilled in every way
Dr. Roberto Miranda discusses the story of the provision of food in 2 Kings 7 and how it highlights the contrast between believers and doubters in fulfilling Gods Word.

Deuteronomy 18:20 - Cross Reference

Behold, I am against the prophets, saith the LORD, that use their tongues, and say, He saith. (Jeremiah 23:31)

They have seen vanity and lying divination, saying, The LORD saith: and the LORD hath not sent them: and they have made others to hope that they would confirm the word. (Ezekiel 13:6)

And I have seen folly in the prophets of Samaria; they prophesied in Baal, and caused my people Israel to err. (Jeremiah 23:13)

Then said the prophet Jeremiah unto Hananiah the prophet, Hear now, Hananiah; The LORD hath not sent thee; but thou makest this people to trust in a lie. (Jeremiah 28:15)

And Elijah said unto them, Take the prophets of Baal; let not one of them escape. And they took them: and Elijah brought them down to the brook Kishon, and slew them there. (1 Kings 18:40)

And the beast was taken, and with him the false prophet that wrought miracles before him, with which he deceived them that had received the mark of the beast, and them that worshipped his image. These both were cast alive into a lake of fire burning with brimstone. (Revelation 19:20)

For I have not sent them, saith the LORD, yet they prophesy a lie in my name; that I might drive you out, and that ye might perish, ye, and the prophets that prophesy unto you. (Jeremiah 27:15)

If there arise among you a prophet, or a dreamer of dreams, and giveth thee a sign or a wonder, (Deuteronomy 13:1)

Then the LORD said unto me, The prophets prophesy lies in my name: I sent them not, neither have I commanded them, neither spake unto them: they prophesy unto you a false vision and divination, and a thing of nought, and the deceit of their heart. (Jeremiah 14:14)

But these, as natural brute beasts, made to be taken and destroyed, speak evil of the things that they understand not; and shall utterly perish in their own corruption; (2 Peter 2:12)

Beware of false prophets, which come to you in sheep's clothing, but inwardly they are ravening wolves. (Matthew 7:15)

The priests said not, Where is the LORD? and they that handle the law knew me not: the pastors also transgressed against me, and the prophets prophesied by Baal, and walked after things that do not profit. (Jeremiah 2:8)

And it shall come to pass, that when any shall yet prophesy, then his father and his mother that begat him shall say unto him, Thou shalt not live; for thou speakest lies in the name of the LORD: and his father and his mother that begat him shall thrust him through when he prophesieth. (Zechariah 13:3)

Now therefore send, and gather to me all Israel unto mount Carmel, and the prophets of Baal four hundred and fifty, and the prophets of the groves four hundred, which eat at Jezebel's table. (1 Kings 18:19)

And it came to pass at noon, that Elijah mocked them, and said, Cry aloud: for he is a god; either he is talking, or he is pursuing, or he is in a journey, or peradventure he sleepeth, and must be awaked. (1 Kings 18:27)