John 8:9

But when they heard him, and felt the conviction of their conscience, they slunk away one by one, beginning from the elders to the last: so Jesus was left alone, with the woman standing in the midst.

Romans 2:15

which exhibit the practice of the law written on their hearts, their conscience also bearing its testimony, and their mutual reasonings at intervals bringing accusations or forming excuses;)

1 John 3:20

For should our heart condemn us, God is greater than our heart, and knoweth all things.

Treasury of Scripture Knowledge

Summary

The king said moreover to Shimei, Thou knowest all the wickedness which thine heart is privy to, that thou didst to David my father: therefore the LORD shall return thy wickedness upon thine own head;

Bible References

Thou knowest

John 8:9
But when they heard him, and felt the conviction of their conscience, they slunk away one by one, beginning from the elders to the last: so Jesus was left alone, with the woman standing in the midst.
Romans 2:15
which exhibit the practice of the law written on their hearts, their conscience also bearing its testimony, and their mutual reasonings at intervals bringing accusations or forming excuses;)
1 John 3:20
For should our heart condemn us, God is greater than our heart, and knoweth all things.