Passage cross-references.

The words of his mouth were smoother than butter, but war was in his heart: his words were softer than oil, yet were they drawn swords.

His mouth is full of cursing and deceit and fraud: under his tongue is mischief and vanity.

For my people is foolish, they have not known me; they are sottish children, and they have none understanding: they are wise to do evil, but to do good they have no knowledge.

And the Spirit of God came upon Saul when he heard those tidings, and his anger was kindled greatly. …

And Samuel said to Saul, Thou hast done foolishly: thou hast not kept the commandment of the LORD thy God, which he commanded thee: for now would the LORD have established thy kingdom upon Israel for ever. …

And Samuel said unto Saul, I will not return with thee: for thou hast rejected the word of the LORD, and the LORD hath rejected thee from being king over Israel.

But the Spirit of the LORD departed from Saul, and an evil spirit from the LORD troubled him.

And Saul said, I will give him her, that she may be a snare to him, and that the hand of the Philistines may be against him. Wherefore Saul said to David, Thou shalt this day be my son in law in the one of the twain.

And Saul hearkened unto the voice of Jonathan: and Saul sware, As the LORD liveth, he shall not be slain. …

Then said Saul, I have sinned: return, my son David: for I will no more do thee harm, because my soul was precious in thine eyes this day: behold, I have played the fool, and have erred exceedingly.

For there is no faithfulness in their mouth; their inward part is very wickedness; their throat is an open sepulchre; they flatter with their tongue.

They speak vanity every one with his neighbour: with flattering lips and with a double heart do they speak. …

The wicked are estranged from the womb: they go astray as soon as they be born, speaking lies.

Understand, ye brutish among the people: and ye fools, when will ye be wise?

As for such as turn aside unto their crooked ways, the LORD shall lead them forth with the workers of iniquity: but peace shall be upon Israel.

They have sharpened their tongues like a serpent; adders’ poison is under their lips. Selah.

And them that are turned back from the LORD; and those that have not sought the LORD, nor enquired for him.

Then went the Pharisees, and took counsel how they might entangle him in his talk. …

Then one of them, which was a lawyer, asked him a question, tempting him, and saying,

But we are not of them who draw back unto perdition; but of them that believe to the saving of the soul.

They went out from us, but they were not of us; for if they had been of us, they would no doubt have continued with us: but they went out, that they might be made manifest that they were not all of us.