Matthew 7:18
A good tree cannot bring forth evil fruit, neither can a corrupt tree bring forth good fruit.
1 John 3:9-10
Whosoever is born of God does not commit sin; for his nature remains in him: and he cannot sin, because he is born of God.
Galatians 5:17
For the flesh lusts against the Spirit, and the Spirit against the flesh: and these are contrary the one to the other: so that you cannot do the things that you would.
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 the flesh lusts against the Spirit, and the Spirit against the flesh: and these are contrary the one to the other: so that you cannot do the things that you would.
1 John 3:9
Whosoever is born of God does not commit sin; for his nature remains in him: and he cannot sin, because he is born of God.
General references
Luke 6:43
For a good tree brings not forth corrupt fruit; neither does a corrupt tree bring forth good fruit.