Mark 7:5

The Pharisees and experts in the law of Moses asked Jesus, "Why do your disciples not live according to the traditions of the Jewish elders, but [instead] eat their food with contaminated [i.e., ceremonially unwashed] hands?"

Matthew 15:2

"Why do your disciples violate the tradition of the [Jewish] elders? For they do not [ceremonially] wash their hands before eating [their meals]."

Mark 2:16-18

And when the experts in the law of Moses, being Pharisees [i.e., a strict sect of the Jewish religion], saw that He was eating with tax collectors and worldly people, they said to His disciples, "Why does Jesus eat and drink with tax collectors and worldly people?"

Mark 7:2-3

They had observed some of His disciples eating their food with contaminated, that is, [ceremonially] unwashed hands.

Acts 21:21

Now these Jewish Christians have been informed that you are teaching all the Jews living among the Gentiles to give up [following the teaching of] Moses, [even] telling them not to circumcise their children and not to practice the [other] customs [of the Jewish religion].

Acts 21:24

Take these men and observe the ceremony of purification with them, pay their expenses so they can shave their heads [i.e., to signify that they are making a vow] and [then] everyone will know that there is no truth in what people have been told about you, but that you, too, are living properly and observing the law of Moses.

Galatians 1:14

I advanced in the Jewish religion beyond many of my contemporaries among my countrymen. I have been extremely more zealous in advocating the traditions [taught] by my forefathers.

2 Thessalonians 3:6

Now we command you, brothers, in the name [i.e., by the authority] of our Lord Jesus Christ, that you people stay away from every brother [or sister] who lives an idle life [See note on I Thess. 5:14], and not according to the [inspired] tradition which you received from us.

2 Thessalonians 3:11

For we hear that some of you are living in idleness, refusing to work, but [instead] are just being busybodies.

Romans 4:12

And he also became the father of circumcised people [i.e., the Jews], who are not only circumcised, but who also follow the [same] example of faith [in God] which our forefather 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 when the experts in the law of Moses, being Pharisees [i.e., a strict sect of the Jewish religion], saw that He was eating with tax collectors and worldly people, they said to His disciples, "Why does Jesus eat and drink with tax collectors and worldly people?"
Matthew 15:2
"Why do your disciples violate the tradition of the [Jewish] elders? For they do not [ceremonially] wash their hands before eating [their meals]."
Acts 21:21
Now these Jewish Christians have been informed that you are teaching all the Jews living among the Gentiles to give up [following the teaching of] Moses, [even] telling them not to circumcise their children and not to practice the [other] customs [of the Jewish religion].
Romans 4:12
And he also became the father of circumcised people [i.e., the Jews], who are not only circumcised, but who also follow the [same] example of faith [in God] which our forefather Abraham had before he was circumcised.
2 Thessalonians 3:6
Now we command you, brothers, in the name [i.e., by the authority] of our Lord Jesus Christ, that you people stay away from every brother [or sister] who lives an idle life [See note on I Thess. 5:14], and not according to the [inspired] tradition which you received from us.