Matthew 7:16
Ye shall know them by their fruits. Do men gather grapes of thorns, or figs of 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 brethren, produce olive berries? or the vine, figs? In the same manner no fountain can yield both salt water and fresh.
Matthew 7:20
So that by their fruits ye 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 chiefly those that walk after the flesh in the lust of uncleanness and despise dominion; presumptuous, arrogant, they are not afraid to speak evil of the higher powers;
Jude 1:10-19
But these speak evil of those things which they do not know; but what they know by nature as animals without reason, in those things they corrupt themselves.