every imagination of the thoughts of his heart was only evil continually.
Genesis 6:5
The heart is deceitful above all things
Jeremiah 17:9
Behold, I know your thoughts, and the devices which ye wrongfully imagine against me.
Job 21:27
six things doth the Lord hate… An heart that deviseth wicked imaginations
Proverbs 6:16-19
walked in the counsels and in the imagination of their evil heart
Jeremiah 7:24
you imagine evil against his brother in your heart.
Zechariah 7:10