Matthew 7:18
A good tree cannot produce bad fruit, and a rotten tree cannot produce good fruit.
1 John 3:9-10
No one who has been born from God practices sin, because God's seed abides in him. Indeed, he cannot go on sinning, because he has been born from God.
Galatians 5:17
For what the flesh wants is opposed to the Spirit, and what the Spirit wants is opposed to the flesh. They are opposed to each other, and so you do not do what you want to do.
Treasury of Scripture Knowledge
Summary
A good tree cannot bring forth evil fruit, neither can a corrupt tree bring forth good fruit.
Cannot
General references
Bible References
Cannot
Galatians 5:17
For what the flesh wants is opposed to the Spirit, and what the Spirit wants is opposed to the flesh. They are opposed to each other, and so you do not do what you want to do.
1 John 3:9
No one who has been born from God practices sin, because God's seed abides in him. Indeed, he cannot go on sinning, because he has been born from God.
General references
Luke 6:43
"A good tree doesn't produce rotten fruit, and a rotten tree doesn't produce good fruit,