Mark 7:5

then the Pharisees and the scribes ask him, Why do thy disciples not walk according to what has been delivered by the ancients, but eat the bread with defiled hands?

Matthew 15:2

Why do thy disciples transgress what has been delivered by the ancients? for they do not wash their hands when they eat bread.

Mark 2:16-18

And the scribes and the Pharisees, seeing him eating with sinners and tax-gatherers, said to his disciples, Why is it that he eats and drinks with tax-gatherers and sinners?

Mark 7:2-3

and seeing some of his disciples eat bread with defiled, that is, unwashed, hands,

Acts 21:21

And they have been informed concerning thee, that thou teachest all the Jews among the nations apostasy from Moses, saying that they should not circumcise their children, nor walk in the customs.

Acts 21:24

take these and be purified with them, and pay their expenses, that they may have their heads shaved; and all will know that of those things of which they have been informed about thee nothing is true; but that thou thyself also walkest orderly, keeping the law.

Galatians 1:14

and advanced in Judaism beyond many my contemporaries in my nation, being exceedingly zealous of the doctrines of my fathers.

2 Thessalonians 3:6

Now we enjoin you, brethren, in the name of our Lord Jesus Christ, that ye withdraw from every brother walking disorderly and not according to the instruction which he received from us.

2 Thessalonians 3:11

For we hear that there are some walking among you disorderly, not working at all, but busybodies.

Romans 4:12

and father of circumcision, not only to those who are of the circumcision, but to those also who walk in the steps of the faith, during uncircumcision, of our father Abraham.

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 and the Pharisees, seeing him eating with sinners and tax-gatherers, said to his disciples, Why is it that he eats and drinks with tax-gatherers and sinners?
Matthew 15:2
Why do thy disciples transgress what has been delivered by the ancients? for they do not wash their hands when they eat bread.
Acts 21:21
And they have been informed concerning thee, that thou teachest all the Jews among the nations apostasy from Moses, saying that they should not circumcise their children, nor walk in the customs.
Romans 4:12
and father of circumcision, not only to those who are of the circumcision, but to those also who walk in the steps of the faith, during uncircumcision, of our father Abraham.
2 Thessalonians 3:6
Now we enjoin you, brethren, in the name of our Lord Jesus Christ, that ye withdraw from every brother walking disorderly and not according to the instruction which he received from us.