Matthew 7:18
A sound tree cannot produce bad fruit, nor can a worthless tree bear good fruit.
1 John 3:9-10
No one who has received the new Life from God lives sinfully, because the very nature of God dwells within him; and he cannot live in sin, because he has received the new Life from God.
Galatians 5:17
For these cravings of our earthly nature conflict with the Spirit, and the Spirit with our earthly nature--they are two contrary principles--so that you cannot do what you wish.
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 these cravings of our earthly nature conflict with the Spirit, and the Spirit with our earthly nature--they are two contrary principles--so that you cannot do what you wish.
1 John 3:9
No one who has received the new Life from God lives sinfully, because the very nature of God dwells within him; and he cannot live in sin, because he has received the new Life from God.
General references
Luke 6:43
There is no such thing as a good tree bearing worthless fruit, or, on the other hand, a worthless tree bearing good fruit.