4 Bible Verses about Bad Items

Either make the tree good, and its fruit good; or make the tree corrupt, and its fruit corrupt: for the tree is known by the fruit.

And now also the ax is laid to the root of the trees: every tree therefore which produceth not good fruit, is hewing down, and casting into the fire.

For there is no good tree which produceth fruit of a bad quality; neither doth a tree of a bad sort produce good fruit.

and saith to him, Every man at first produces the good wine; and after men have drunk plentifully, then that which is worse: but thou hast kept back the good wine until now.