Then Jacob departed from Beersheba and went toward Haran. So he came to a certain place and stayed there all night, because the sun had set. And he took one of the stones of that place and put it at his head, and he lay down in that place to sleep. Genesis 28:10–11

The heart is deceitful above all things, and desperately wicked; who can know it? I, the Lord, search the heart, I test the mind, even to give every man according to his ways, according to the fruit of his doings. Jeremiah 17:9–10