Mark 7:5

And the Pharisees and the scribes asked him, "Why do your disciples not observe the rules handed down by our ancestors, but eat food without purifying their hands?"

Matthew 15:2

"Why do your disciples break the rules handed down by our ancestors? For they eat their bread without first washing their hands."

Mark 2:16-18

And when the scribes who were of the Pharisees' party saw that he was eating with irreligious people and tax-collectors, they said to his disciples, "Why does he eat with tax-collectors and irreligious people?"

Mark 7:2-3

They had noticed that some of his disciples ate their food without first giving their hands a ceremonial washing to purify them.

Acts 21:21

They have been told that you teach all Jews who live among the heathen to turn away from Moses, and that you tell them not to circumcise their children nor to observe the old customs.

Acts 21:24

Join them, undergo the rites of purification with them, and pay their expenses so that they can have their heads shaved. Then everybody will understand that there is no truth in the stories about you, but that you yourself observe the Law.

Galatians 1:14

and how I surpassed many of my own age among my people in my devotion to Judaism, I was so fanatically devoted to what my forefathers had handed down.

2 Thessalonians 3:6

We charge you, brothers, in the name of the Lord Jesus Christ, to keep away from any brother who lives in idleness, instead of following the teaching you received from us.

2 Thessalonians 3:11

For we hear that some of you are living in idleness, mere busybodies, not doing any work.

Romans 4:12

and the forefather of those circumcised persons who not only share his circumcision but follow our forefather Abraham's example in the faith he 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 when the scribes who were of the Pharisees' party saw that he was eating with irreligious people and tax-collectors, they said to his disciples, "Why does he eat with tax-collectors and irreligious people?"
Matthew 15:2
"Why do your disciples break the rules handed down by our ancestors? For they eat their bread without first washing their hands."
Acts 21:21
They have been told that you teach all Jews who live among the heathen to turn away from Moses, and that you tell them not to circumcise their children nor to observe the old customs.
Romans 4:12
and the forefather of those circumcised persons who not only share his circumcision but follow our forefather Abraham's example in the faith he had before he was circumcised.
2 Thessalonians 3:6
We charge you, brothers, in the name of the Lord Jesus Christ, to keep away from any brother who lives in idleness, instead of following the teaching you received from us.