1 Corinthians 4:4

For I am not aware of anything [wrong] against myself, but that does not make me right. But the One who judges me is the Lord.

1 John 3:20

But, if our hearts condemn us [for not demonstrating God's love for others], surely God, who is greater than our hearts [will also condemn us], because He knows all things.

Treasury of Scripture Knowledge

Summary

Though I were perfect, yet would I not know my soul: I would despise my life.

Bible References

Yet would

1 Corinthians 4:4
For I am not aware of anything [wrong] against myself, but that does not make me right. But the One who judges me is the Lord.
1 John 3:20
But, if our hearts condemn us [for not demonstrating God's love for others], surely God, who is greater than our hearts [will also condemn us], because He knows all things.