Mark 7:5

The Pharisees and the scribes asked him, "Why do your disciples not live according to the tradition of the elders, but eat with impure hands?"

Matthew 15:2

"Why do your disciples transgress the tradition of the elders? For they do not wash their hands when they eat."

Mark 2:16-18

And the scribes of the Pharisees, when they saw him eating with sinners and tax collectors, said to his disciples, "Why does he eat with tax collectors and sinners?"

Mark 7:2-3

they saw some of his disciples eating food with hands that were defiled, that is, unwashed.

Acts 21:21

and they have been told about you that you teach all the Jews who are among the Gentiles to forsake Moses, telling them not to circumcise their children or to walk according to the customs.

Acts 21:24

take these men and purify yourself along with them and pay their expenses, so that they may shave their heads. Thus all will know that there is nothing in what they have been told about you, but that you yourself live in observance of the law.

Galatians 1:14

and I was advancing in Judaism beyond many of my own age among my people, so extremely zealous was I for the traditions of my fathers.

2 Thessalonians 3:6

Now we command you, brethren, in the name of our Lord Jesus Christ, that you keep away from every brother who is living in idleness and not according to the tradition which you received from us.

2 Thessalonians 3:11

For we hear that some among you are leading an undisciplined life, not doing any work at all, but acting like busybodies.

Romans 4:12

And he is also the father of the circumcised who are not only circumcised but who also walk in the footsteps of the faith which our father Abraham had before he was circumcised.

Treasury of Scripture Knowledge

Summary

Then the Pharisees and scribes asked him, Why walk not thy disciples according to the tradition of the elders, but eat bread with unwashen hands?

Bible References

General references

Mark 2:16
And the scribes of the Pharisees, when they saw him eating with sinners and tax collectors, said to his disciples, "Why does he eat with tax collectors and sinners?"
Matthew 15:2
"Why do your disciples transgress the tradition of the elders? For they do not wash their hands when they eat."
Acts 21:21
and they have been told about you that you teach all the Jews who are among the Gentiles to forsake Moses, telling them not to circumcise their children or to walk according to the customs.
Romans 4:12
And he is also the father of the circumcised who are not only circumcised but who also walk in the footsteps of the faith which our father Abraham had before he was circumcised.
2 Thessalonians 3:6
Now we command you, brethren, in the name of our Lord Jesus Christ, that you keep away from every brother who is living in idleness and not according to the tradition which you received from us.