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 his fruit good also, or else make the tree evil, and his fruit evil also. For the tree is known by his fruit.
James 3:12
Can the fig tree, my brethren, bear olive berries: or a vine bear figs? So can no fountain give both salt water and fresh also.
Matthew 7:20
Wherefore by their fruits ye shall know them.
Luke 6:43-45
It is not a good tree that bringeth forth evil fruit: Neither is that an evil tree, that bringeth forth good fruit.
2 Peter 2:10-18
namely, them that walk after the flesh in the lust of uncleanness, and despise the rulers. Presumptuous are they, and stubborn, and fear not to speak evil of them that are in authority;
Jude 1:10-19
But these speak evil of those things which they know not. In those things which they know naturally - as beasts which are without reason - they corrupt themselves.