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.

But already the ax is laid to the root of the trees; therefore every tree not producing good fruit is hewn down and cast into the fire.

For there is no beautiful tree producing corrupt fruit, nor corrupt tree producing beautiful fruit.

and says to him, Every man first sets forth the good wine; and when they have drunk freely, the inferior: but thou hast kept the good wine until now.