Jesus is tackling sinful pride in his disciples which is leading them to mistreat others whom he would value and love. So he speaks firmly to the twelve. They have to change their mindset to one of humility and self-sacrifice,
Thoughts which lie, shame and resent
Jesus lists examples of the wickedness we can generate inside. What’s included? Deceit is there, where we use our cunning to manipulate others to our benefit, without a concern for truth. Lewdness is there, where our thoughts become indecent even