Acts 24:16

So, for this reason I make every effort to have a clear conscience before God and men at all times.

2 Corinthians 1:12

For this is what we boast of: Our conscience testifies that we have conducted ourselves in the world, and especially toward you, in holiness and godly sincerity, not with human wisdom, but with the favor of God.

2 Corinthians 11:31

The God and Father of the Lord Jesus, who should be praised forever, knows that I am not lying.

1 Thessalonians 2:10

You can testify, [just] as God can, how holy, righteous and blameless our conduct was toward you believers.

1 John 3:17-22

Now whoever has [a sufficient amount of] life's possessions and [then] observes one of his [Christian] brothers who does not have enough to get by on, but does not feel sorry for him [i.e., enough to help him out], surely a love for God does not continue to live in that person's heart.

Treasury of Scripture Knowledge

Summary

Then thou shalt say before the LORD thy God, I have brought away the hallowed things out of mine house, and also have given them unto the Levite, and unto the stranger, to the fatherless, and to the widow, according to all thy commandments which thou hast commanded me: I have not transgressed thy commandments, neither have I forgotten them:

Bible References

I have not

Acts 24:16
So, for this reason I make every effort to have a clear conscience before God and men at all times.
2 Corinthians 1:12
For this is what we boast of: Our conscience testifies that we have conducted ourselves in the world, and especially toward you, in holiness and godly sincerity, not with human wisdom, but with the favor of God.
2 Corinthians 11:31
The God and Father of the Lord Jesus, who should be praised forever, knows that I am not lying.
1 Thessalonians 2:10
You can testify, [just] as God can, how holy, righteous and blameless our conduct was toward you believers.
1 John 3:17
Now whoever has [a sufficient amount of] life's possessions and [then] observes one of his [Christian] brothers who does not have enough to get by on, but does not feel sorry for him [i.e., enough to help him out], surely a love for God does not continue to live in that person's heart.