Matthew 12:33
"Either grant the tree to be wholesome and its fruit wholesome, or the tree poisonous and its fruit poisonous; for the tree is known by its fruit.
Luke 6:43-44
"There is no good tree that yields unsound fruit, nor again any unsound tree that yields good fruit.
Matthew 7:16-20
By their fruits you will easily recognize them. Are grapes gathered from thorns or figs from brambles?
John 15:4-7
Continue in me, and let me continue in you. Just as the branch cannot bear fruit of itself--that is, if it does not continue in the vine--so neither can you if you do not continue in me.
Matthew 3:8-10
Therefore let your lives prove your change of heart;
Matthew 23:26
Blind Pharisee, first wash clean the inside of the cup or dish, and then the outside will be clean also.
Luke 3:9
And even now the axe is lying at the root of the trees, so that every tree which fails to yield good fruit will quickly be hewn down and thrown into the fire."
Luke 11:39-40
The Master however said to him, "Here we see how you Pharisees clean the outside of the cup or plate, while your secret hearts are full of greed and selfishness.
James 3:12
Can a fig-tree, my brethren, yield olives, or a vine yield figs? No; and neither can salt water yield sweet.
James 4:8
Draw near to God, and He will draw near to you. Cleanse your hands, you sinners, and make your hearts pure, you who are half-hearted towards God.