Matthew 7:18
a good tree cannot produce evil fruit, nor can a corrupt tree bear good fruit:
1 John 3:9-10
Whosoever is born of God doth not practise sin, because his seed remaineth in him: and he cannot sin, because he is born of God.
Galatians 5:17
for the flesh desireth things contrary to the Spirit, and the Spirit things contrary to the flesh: and these are opposite to each other; so that ye do not those things which ye 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 desireth things contrary to the Spirit, and the Spirit things contrary to the flesh: and these are opposite to each other; so that ye do not those things which ye would.
1 John 3:9
Whosoever is born of God doth not practise sin, because his seed remaineth in him: and he cannot sin, because he is born of God.
General references
Luke 6:43
For that is not a good tree which produceth bad fruit, nor is the tree bad, which produceth good fruit: