Matthew 23:3

All, therefore, whatsoever they bid you, do and observe; but do not according to their works; for they say and do not.

Matthew 15:2-9

"Why do Thy disciples transgress the tradition of the elders? for they do not wash their hands, when they eat bread!"

Matthew 21:30

And, coming to the second, he spake in like manner; and he, answering, said, 'I am not willing;' but later, repenting, he went.

Acts 5:29

But Peter and the apostles, answering, said, "It is proper to obey God rather than men.

Romans 2:19-24

and have become confident that you are a guide of the blind, a light to those in darkness,

Romans 13:1

Let every soul be in subjection to the authorities that are over him; for there is no authority, except from God; and the authorities that are have been appointed by God.

2 Timothy 3:5

holding a form of godliness, but denying the power thereof: from these also turn away.

Titus 1:16

They profess to know God; but by their works they deny Him; being abominable, and disobedient, and for every good work worthless.

Treasury of Scripture Knowledge

Summary

All therefore whatsoever they bid you observe, that observe and do; but do not ye after their works: for they say, and do not.

Bible References

Whatsoever

Matthew 15:2
"Why do Thy disciples transgress the tradition of the elders? for they do not wash their hands, when they eat bread!"
Acts 5:29
But Peter and the apostles, answering, said, "It is proper to obey God rather than men.
Romans 13:1
Let every soul be in subjection to the authorities that are over him; for there is no authority, except from God; and the authorities that are have been appointed by God.

For

Matthew 21:30
And, coming to the second, he spake in like manner; and he, answering, said, 'I am not willing;' but later, repenting, he went.
Romans 2:19
and have become confident that you are a guide of the blind, a light to those in darkness,
2 Timothy 3:5
holding a form of godliness, but denying the power thereof: from these also turn away.
Titus 1:16
They profess to know God; but by their works they deny Him; being abominable, and disobedient, and for every good work worthless.