James 3:12
Can a fig tree, my brothers, bear olives; or a grape-vine, figs? No more can salt water yield fresh water.
Matthew 7:16-20
"By their fruits you will know them. Are grapes gathered of thorns, or figs of thistles?
Matthew 12:33
"Either make the tree good and its fruit good, or make the tree corrupt and its fruit corrupt; for by its fruit the tree is known.
Luke 6:43-44
"For there is not good tree which bears worthless fruit, nor again any worthless tree which bears good fruit; for each tree is known by its own fruit.
Romans 11:16-18
Now if the first-fruits of the dough Abraham and the Patriarchs are holy, so also is the whole mass their descendants. And if the root of a tree Abraham is holy, so also are the branches his descendants.