Mark 7:15

There is nothing from without a man, that entering into him can defile him: but the things which come out of him, those are they that defile the man.

Leviticus 11:42-47

Whatsoever goeth upon the belly, and whatsoever goeth upon all four, or whatsoever hath more feet among all creeping things that creep upon the earth, them ye shall not eat; for they are an abomination.

Proverbs 4:23

Keep thy heart with all diligence; for out of it are the issues of life.

Matthew 12:34

O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.

Matthew 15:16

And Jesus said, Are ye also yet without understanding?

Mark 7:18-23

And he saith unto them, Are ye so without understanding also? Do ye not perceive, that whatsoever thing from without entereth into the man, it cannot defile him;

Acts 10:14-16

But Peter said, Not so, Lord; for I have never eaten any thing that is common or unclean.

Acts 10:28

And he said unto them, Ye know how that it is an unlawful thing for a man that is a Jew to keep company, or come unto one of another nation; but God hath shewed me that I should not call any man common or unclean.

Acts 11:8-10

But I said, Not so, Lord: for nothing common or unclean hath at any time entered into my mouth.

Acts 15:20-21

But that we write unto them, that they abstain from pollutions of idols, and from fornication, and from things strangled, and from blood.

Romans 14:17

For the kingdom of God is not meat and drink; but righteousness, and peace, and joy in the Holy Ghost.

1 Corinthians 10:25

Whatsoever is sold in the shambles, that eat, asking no question for conscience sake:

1 Timothy 4:3-5

Forbidding to marry, and commanding to abstain from meats, which God hath created to be received with thanksgiving of them which believe and know the truth.

Titus 1:15

Unto the pure all things are pure: but unto them that are defiled and unbelieving is nothing pure; but even their mind and conscience is defiled.

Hebrews 9:10

Which stood only in meats and drinks, and divers washings, and carnal ordinances, imposed on them until the time of reformation.

Hebrews 13:9

Be not carried about with divers and strange doctrines. For it is a good thing that the heart be established with grace; not with meats, which have not profited them that have been occupied therein.

Treasury of Scripture Knowledge

Summary

There is nothing from without a man, that entering into him can defile him: but the things which come out of him, those are they that defile the man.

Bible References

Nothing

Mark 7:18
And he saith unto them, Are ye so without understanding also? Do ye not perceive, that whatsoever thing from without entereth into the man, it cannot defile him;
Leviticus 11:42
Whatsoever goeth upon the belly, and whatsoever goeth upon all four, or whatsoever hath more feet among all creeping things that creep upon the earth, them ye shall not eat; for they are an abomination.
Acts 10:14
But Peter said, Not so, Lord; for I have never eaten any thing that is common or unclean.
Acts 11:8
But I said, Not so, Lord: for nothing common or unclean hath at any time entered into my mouth.
Acts 15:20
But that we write unto them, that they abstain from pollutions of idols, and from fornication, and from things strangled, and from blood.
Romans 14:17
For the kingdom of God is not meat and drink; but righteousness, and peace, and joy in the Holy Ghost.
1 Corinthians 10:25
Whatsoever is sold in the shambles, that eat, asking no question for conscience sake:
1 Timothy 4:3
Forbidding to marry, and commanding to abstain from meats, which God hath created to be received with thanksgiving of them which believe and know the truth.
Titus 1:15
Unto the pure all things are pure: but unto them that are defiled and unbelieving is nothing pure; but even their mind and conscience is defiled.
Hebrews 9:10
Which stood only in meats and drinks, and divers washings, and carnal ordinances, imposed on them until the time of reformation.
Hebrews 13:9
Be not carried about with divers and strange doctrines. For it is a good thing that the heart be established with grace; not with meats, which have not profited them that have been occupied therein.

But

Mark 7:20
And he said, That which cometh out of the man, that defileth the man.
Proverbs 4:23
Keep thy heart with all diligence; for out of it are the issues of life.
Matthew 12:34
O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speaketh.
Matthew 15:16
And Jesus said, Are ye also yet without understanding?

General references

Leviticus 11:2
Speak unto the children of Israel, saying, These are the beasts which ye shall eat among all the beasts that are on the earth.
Jeremiah 25:2
The which Jeremiah the prophet spake unto all the people of Judah, and to all the inhabitants of Jerusalem, saying,
Matthew 13:9
Who hath ears to hear, let him hear.
Mark 7:20
And he said, That which cometh out of the man, that defileth the man.

King James Version Public Domain