Mark 7:3

(For the Pharisees, and all the Jews, except they wash their hands diligently, eat not, holding the tradition of the elders;

Mark 7:13

making void the word of God by your tradition, which ye have delivered: and many such like things ye do.

Galatians 1:14

and I advanced in the Jews religion beyond many of mine own age among my countrymen, being more exceedingly zealous for the traditions of my fathers.

Colossians 2:8

Take heed lest there shall be any one that maketh spoil of you through his philosophy and vain deceit, after the tradition of men, after the rudiments of the world, and not after Christ:

Matthew 15:2-6

Why do thy disciples transgress the tradition of the elders? for they wash not their hands when they eat bread.

Mark 7:5

And the Pharisees and the scribes ask him, Why walk not thy disciples according to the tradition of the elders, but eat their bread with defiled hands?

Mark 7:7-10

But in vain do they worship me, Teaching as their doctrines the precepts of men.

Colossians 2:21-23

Handle not, nor taste, nor touch

1 Peter 1:18

knowing that ye were redeemed, not with corruptible things, with silver or gold, from your vain manner of life handed down from your fathers;

Treasury of Scripture Knowledge

Summary

For the Pharisees, and all the Jews, except they wash their hands oft, eat not, holding the tradition of the elders.

General references

Bible References

The tradition

Mark 7:7
But in vain do they worship me, Teaching as their doctrines the precepts of men.
Matthew 15:2
Why do thy disciples transgress the tradition of the elders? for they wash not their hands when they eat bread.
Galatians 1:14
and I advanced in the Jews religion beyond many of mine own age among my countrymen, being more exceedingly zealous for the traditions of my fathers.
Colossians 2:8
Take heed lest there shall be any one that maketh spoil of you through his philosophy and vain deceit, after the tradition of men, after the rudiments of the world, and not after Christ:
1 Peter 1:18
knowing that ye were redeemed, not with corruptible things, with silver or gold, from your vain manner of life handed down from your fathers;

General references

Luke 5:30
And the Pharisees and their scribes murmured against his disciples, saying, Why do ye eat and drink with the publicans and sinners?

American Standard Version Public Domain