Matthew 7:18

A good tree is not able to bear bad fruit, nor a bad tree to bear good fruit.

1 John 3:9-10

Everyone who has been fathered by God does not practice sin, because God's seed resides in him, and thus he is not able to sin, because he has been fathered by God.

Galatians 5:17

For the flesh has desires that are opposed to the Spirit, and the Spirit has desires that are opposed to the flesh, for these are in opposition to each other, so that you cannot do what you want.

Treasury of Scripture Knowledge

Summary

A good tree cannot bring forth evil fruit, neither can a corrupt tree bring forth good fruit.

General references

Bible References

Cannot

Galatians 5:17
For the flesh has desires that are opposed to the Spirit, and the Spirit has desires that are opposed to the flesh, for these are in opposition to each other, so that you cannot do what you want.
1 John 3:9
Everyone who has been fathered by God does not practice sin, because God's seed resides in him, and thus he is not able to sin, because he has been fathered by God.

General references

Luke 6:43
"For no good tree bears bad fruit, nor again does a bad tree bear good fruit,

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