Matthew 7:16
You shall know them by their fruits. Do men gather grapes from thorns, or figs from thistles?
Matthew 12:33
Either make the tree good and its fruit good, or else make the tree corrupt and its fruit corrupt; for the tree is known by its fruit.
James 3:12
Can the fig tree, my brothers, bear olive berries; or a vine, figs? So no fountain can yield both salt water and fresh.
Matthew 7:20
Therefore by their fruits you shall know them.
Luke 6:43-45
For a good tree does not bring forth corrupt fruit, neither does a corrupt tree bring forth good fruit.
2 Peter 2:10-18
and especially those who walk after the flesh in the lust of uncleanness, and despise dominion. They are darers, self-pleasing; not trembling at glories, speaking evil.
Jude 1:10-19
But what things they do not know, they speak evil of. And what things they understand naturally, like the animals without reason, they are corrupted by these.