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 begotten of God doeth no sin, because his seed abideth in him: and he cannot sin, because he is begotten of God.

Galatians 5:17

For the flesh lusteth against the Spirit, and the Spirit against the flesh; for these are contrary the one to the other; that ye may not do the things that ye would.

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 lusteth against the Spirit, and the Spirit against the flesh; for these are contrary the one to the other; that ye may not do the things that ye would.
1 John 3:9
Whosoever is begotten of God doeth no sin, because his seed abideth in him: and he cannot sin, because he is begotten of God.

General references

Luke 6:43
For there is no good tree that bringeth forth corrupt fruit; nor again a corrupt tree that bringeth forth good fruit.

American Standard Version Public Domain