Truly ye bear witness that ye allow the deeds of your fathers: for they indeed killed them, and ye build their sepulchres.(Luke 11:48)

Therefore also said the wisdom of God, I will send them prophets and apostles, and some of them they shall slay and persecute:(Luke 11:49)

That the blood of all the prophets, which was shed from the foundation of the world, may be required of this generation;(Luke 11:50)

From the blood of Abel unto the blood of Zacharias which perished between the altar and the temple: verily I say unto you, It shall be required of this generation.

Woe unto you, lawyers! for ye have taken away the key of knowledge: ye entered not in yourselves, and them that were entering in ye hindered.(Luke 11:52)

And as he said these things unto them, the scribes and the Pharisees began to urge him vehemently, and to provoke him to speak of many things:(Luke 11:53)

Laying wait for him, and seeking to catch something out of his mouth, that they might accuse him.(Luke 11:54)

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Deliver us from evil and lead us not into temptation
In Acts 5, the story of Ananias and Sapphira shows the humanity and imperfections in Christian communities and the need to be watchful against the enemys attempts to harm. The reading emphasizes the power of God to deliver and protect his own, the importance of actions, thoughts, and words, and the new wave of persecution. Christians must ask God to deliver them from evil and temptation and put on the armor of God to protect themselves from the devils schemes. The grace of the Lord is with us, and we should give glory to his name in everything we do.

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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.

Luke 11:51 - Cross Reference

But thou shalt say unto them, This is a nation that obeyeth not the voice of the LORD their God, nor receiveth correction: truth is perished, and is cut off from their mouth. (Jeremiah 7:28)

By faith Abel offered unto God a more excellent sacrifice than Cain, by which he obtained witness that he was righteous, God testifying of his gifts: and by it he being dead yet speaketh. (Hebrews 11:4)

That upon you may come all the righteous blood shed upon the earth, from the blood of righteous Abel unto the blood of Zacharias son of Barachias, whom ye slew between the temple and the altar. (Matthew 23:35)

In the eighth month, in the second year of Darius, came the word of the LORD unto Zechariah, the son of Berechiah, the son of Iddo the prophet, saying, (Zechariah 1:1)

And to Jesus the mediator of the new covenant, and to the blood of sprinkling, that speaketh better things that that of Abel. (Hebrews 12:24)

And the Spirit of God came upon Zechariah the son of Jehoiada the priest, which stood above the people, and said unto them, Thus saith God, Why transgress ye the commandments of the LORD, that ye cannot prosper? because ye have forsaken the LORD, he hath also forsaken you. (2 Chronicles 24:20)

Not as Cain, who was of that wicked one, and slew his brother. And wherefore slew he him? Because his own works were evil, and his brother's righteous. (1 John 3:12)

And Cain talked with Abel his brother: and it came to pass, when they were in the field, that Cain rose up against Abel his brother, and slew him. (Genesis 4:8)