James 3:12
Can a fig-tree, my brethren, produce olives; or a vine figs? so also can no fountain send forth salt water and sweet.
Matthew 7:16-20
By their fruits ye shall know them. Do men gather a bunch of grapes from thorns, or figs from thistles?
Matthew 12:33
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.
Luke 6:43-44
For there is no good tree which produceth fruit of a bad quality; neither doth a tree of a bad sort produce good fruit.
Romans 11:16-18
Now if the first fruits be holy, so is the mass: and if the root be holy, so are the branches.