Matthew 7:16

By their fruits you will know them. Do you gather grapes from thorns, or figs from thistles?

Matthew 12:33

"Either make the tree good, and its fruit good, or make the tree corrupt, and its fruit corrupt; for the tree is known by its fruit.

James 3:12

Can a fig tree, my brothers, yield olives, or a vine figs? Thus no spring yields both salt water and fresh water.

Matthew 7:20

Therefore, by their fruits you will know them.

Luke 6:43-45

For there is no good tree that brings forth rotten fruit; nor again a rotten tree that brings forth good fruit.

2 Peter 2:10-18

but chiefly those who walk after the flesh in the lust of defilement, and despise authority. Daring, self-willed, they are not afraid to speak evil of dignitaries;

Jude 1:10-19

But these speak evil of whatever things they don't know. What they understand naturally, like the creatures without reason, they are destroyed in these things.

Treasury of Scripture Knowledge

Summary

Ye shall know them by their fruits. Do men gather grapes of thorns, or figs of thistles?

Bible References

Shall

Matthew 7:20
Therefore, by their fruits you will know them.
Matthew 12:33
"Either make the tree good, and its fruit good, or make the tree corrupt, and its fruit corrupt; for the tree is known by its fruit.
2 Peter 2:10
but chiefly those who walk after the flesh in the lust of defilement, and despise authority. Daring, self-willed, they are not afraid to speak evil of dignitaries;
Jude 1:10
But these speak evil of whatever things they don't know. What they understand naturally, like the creatures without reason, they are destroyed in these things.

Do

Luke 6:43
For there is no good tree that brings forth rotten fruit; nor again a rotten tree that brings forth good fruit.
James 3:12
Can a fig tree, my brothers, yield olives, or a vine figs? Thus no spring yields both salt water and fresh water.

General references

Proverbs 20:11
Even a child makes himself known by his doings, whether his work is pure, and whether it is right.
Matthew 7:20
Therefore, by their fruits you will know them.
Luke 6:43
For there is no good tree that brings forth rotten fruit; nor again a rotten tree that brings forth good fruit.