“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. https://www.biblegateway.com/passage?search=Jeremiah%2017%3A9-Jeremiah%2017%3A10&version=NKJV