Matthew 15:19 lists evils from the heart — directly parallels that the inside of the cup (the heart) is full of robbery and self-indulgence.

Matthew 15:20 concludes that internal sins defile, not unwashed hands — same contrast between external ritual and inner corruption.

Matthew 5:8 blesses the pure in heart — directly opposing the Pharisees who only clean the outside while being impure within.

Mark 7:4-13 details Pharisees' traditions of washing cups and Corban — the same hypocrisy of prioritizing human tradition over God's commands.

Luke 11:39 is the parallel woe — almost identical: clean outside, inside full of greed and wickedness.

Luke 11:40 asks why Pharisees neglect the inside — reinforces that God made both outside and inside, making external-only cleansing foolish.

Proverbs 28:13 condemns concealing sins — contrasting Pharisees who hide greed inside clean cups instead of confessing.

Ezekiel 22:12 condemns greed, extortion, and forgetting God — the same inner corruption Jesus accuses Pharisees of having.

Mark 7:21 teaches defilement comes from within the heart — the very inner corruption Jesus condemns in the Pharisees.

Luke 16:15 says God knows hearts while men see outward show — exactly the hypocrisy of Pharisees cleaning cups externally.

In Romans 2:29, Paul stresses inward circumcision of the heart, directly reinforcing Jesus' call for inner purity over external cleaning.

In Philippians 3:6, Paul describes his former external blamelessness under the law—directly paralleling the Pharisees' outward cleanliness Jesus condemns.

In James 4:8, James commands sinners to purify their hearts—echoing Jesus' requirement to clean the inside before the outside.

In 2 Corinthians 7:1, Paul urges cleansing from defilement of body and spirit—addressing the need for internal purity Jesus demanded.