Psalm 66:18

If I regard iniquity in my heart, the Lord will not hear me:

Proverbs 28:9

He that turns away his ear from hearing the law, even his prayer shall be abomination.

Isaiah 1:15

And when ye spread forth your hands, I will hide my eyes from you; likewise, when ye make many prayers, I will not hear; your hands are full of blood.

John 9:31

Now we know that God does not hear sinners, but if anyone should fear God and do his will, him he will hear.

James 4:3

Ye ask and receive not because ye ask amiss, that ye may consume it upon your pleasures.

Job 27:8-9

For what is the hope of the hypocrite, though he has stolen much, when God takes away his soul?

Job 36:21

Take heed, do not regard iniquity, to choose it rather than poverty.

Proverbs 15:8

The sacrifice of the wicked is an abomination to the LORD, but the prayer of the upright is his delight.

Proverbs 15:29

The LORD is far from the wicked, but he hears the prayer of the righteous.

Proverbs 21:13

Whosoever stops his ears at the cry of the poor, he also shall cry himself but shall not be heard.

Treasury of Scripture Knowledge

Summary

If I regard iniquity in my heart, the Lord will not hear me:

Bible References

If i regard

Job 27:8
For what is the hope of the hypocrite, though he has stolen much, when God takes away his soul?
Proverbs 15:8
The sacrifice of the wicked is an abomination to the LORD, but the prayer of the upright is his delight.
Proverbs 21:13
Whosoever stops his ears at the cry of the poor, he also shall cry himself but shall not be heard.
Proverbs 28:9
He that turns away his ear from hearing the law, even his prayer shall be abomination.
Isaiah 1:15
And when ye spread forth your hands, I will hide my eyes from you; likewise, when ye make many prayers, I will not hear; your hands are full of blood.
John 9:31
Now we know that God does not hear sinners, but if anyone should fear God and do his will, him he will hear.
James 4:3
Ye ask and receive not because ye ask amiss, that ye may consume it upon your pleasures.