Mark 7:23

All these evil things [schemes and desires] come from within and defile and dishonor the man.”

Mark 7:15

there is nothing outside a man [such as food] which by going into him can defile him [morally or spiritually]; but the things which come out of [the heart of] a man are what defile and dishonor him.

Mark 7:18

And He said to them, “Are you, too, so foolish and lacking in understanding? Do you not understand that whatever goes into the man from outside cannot defile and dishonor him,

1 Corinthians 3:17

If anyone destroys the temple of God [corrupting it with false doctrine], God will destroy the destroyer; for the temple of God is holy (sacred), and that is what you are.

Titus 1:15

To the pure, all things are pure; but to the corrupt and unbelieving, nothing is pure; both their mind and their conscience are corrupted.

Jude 1:8

Nevertheless in the same way, these dreamers [who are dreaming that God will not punish them] also defile the body, and reject [legitimate] authority, and revile and mock angelic majesties.

Treasury of Scripture Knowledge

Summary

All these evil things come from within, and defile the man.

General references

Bible References

Defile

Mark 7:15
there is nothing outside a man [such as food] which by going into him can defile him [morally or spiritually]; but the things which come out of [the heart of] a man are what defile and dishonor him.
1 Corinthians 3:17
If anyone destroys the temple of God [corrupting it with false doctrine], God will destroy the destroyer; for the temple of God is holy (sacred), and that is what you are.
Titus 1:15
To the pure, all things are pure; but to the corrupt and unbelieving, nothing is pure; both their mind and their conscience are corrupted.
Jude 1:8
Nevertheless in the same way, these dreamers [who are dreaming that God will not punish them] also defile the body, and reject [legitimate] authority, and revile and mock angelic majesties.

General references

Leviticus 15:25
‘Now if a woman has a flow of blood for many days, not during the time of her menstruation, or if she has a discharge beyond that period, as long as the impure discharge continues she shall be as she is in the days of her [normal] menstrual impurity; she is unclean.