Matthew 12:33

You must assume either that both tree and fruit are good, or that both tree and fruit are worthless; since it is by it's fruits that a tree is known.

Luke 6:43-44

There is no such thing as a good tree bearing worthless fruit, or, on the other hand, a worthless tree bearing good fruit.

Matthew 7:16-20

By the fruit of their lives you will know them. Do people gather grapes from thorn bushes, or figs from thistles?

John 15:4-7

Remain united to me, and I will remain united to you. As a branch cannot bear fruit by itself, unless it remains united to the vine; no more can you, unless you remain united to me.

Matthew 3:8-10

Let your life, then, prove your repentance;

Matthew 23:26

You blind Pharisee! First clean the inside of the cup and the dish, so that the outside may become clean as well.

Luke 3:9

Already, indeed, the axe is lying at the root of the trees. Therefore every tree that fails to bear good fruit will be cut down and thrown into the fire."

Luke 11:39-40

But the Master said to him: "You Pharisees do, it is true, clean the outside of the cup and of the plate, but inside you yourselves are filled with greed and wickedness.

James 3:12

Can a fig tree, my Brothers, bear olives? or a vine bear figs? No, nor can a brackish well give good water.

James 4:8

Draw near to God, and he will draw near to you. Make your hands clean, you sinners; and your hearts pure, you vacillating men!

Treasury of Scripture Knowledge

Summary

Either make the tree good, and his fruit good; or else make the tree corrupt, and his fruit corrupt: for the tree is known by his fruit.

Make the tree good

General references

Bible References

Make the tree good

Matthew 23:26
You blind Pharisee! First clean the inside of the cup and the dish, so that the outside may become clean as well.
Luke 11:39
But the Master said to him: "You Pharisees do, it is true, clean the outside of the cup and of the plate, but inside you yourselves are filled with greed and wickedness.
James 4:8
Draw near to God, and he will draw near to you. Make your hands clean, you sinners; and your hearts pure, you vacillating men!

And his fruit good

Matthew 3:8
Let your life, then, prove your repentance;
Matthew 7:16
By the fruit of their lives you will know them. Do people gather grapes from thorn bushes, or figs from thistles?
Luke 3:9
Already, indeed, the axe is lying at the root of the trees. Therefore every tree that fails to bear good fruit will be cut down and thrown into the fire."
Luke 6:43
There is no such thing as a good tree bearing worthless fruit, or, on the other hand, a worthless tree bearing good fruit.
John 15:4
Remain united to me, and I will remain united to you. As a branch cannot bear fruit by itself, unless it remains united to the vine; no more can you, unless you remain united to me.
James 3:12
Can a fig tree, my Brothers, bear olives? or a vine bear figs? No, nor can a brackish well give good water.

General references

Luke 6:43
There is no such thing as a good tree bearing worthless fruit, or, on the other hand, a worthless tree bearing good fruit.