A sound tree cannot bear evil fruit, nor can a bad tree bear good fruit.
So, every sound tree bears good fruit, but the bad tree bears evil fruit.
Every tree that does not bear good fruit is cut down and thrown into the fire.
“For no good tree bears bad fruit, nor again does a bad tree bear good fruit;
For the desires of the flesh are against the Spirit, and the desires of the Spirit are against the flesh; for these are opposed to each other, to prevent you from doing what you would.