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.

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.

Romans 2:17-25

But, if you are called a Jew, and are resting upon the law, and are boasting in God,

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

And he came to the second, and said likewise. And he answered and said, I go, sir: and went not.

General references

Bible References

I go

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.
Romans 2:17
But, if you are called a Jew, and are resting upon the law, and are boasting in God,
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.

General references

Luke 5:30
And the Pharisees and their scribes were murmuring against the disciples, saying, "Why are ye eating and drinking with the tax-collectors and sinners?"
Luke 13:30
And, behold, there are last who will be first, and there are first who will be last."
Luke 15:1
Now all the tax collectors and sinners were drawing near to Him to hear Him.