Matthew 7:16-18

"By their fruits you will know them. Are grapes gathered of thorns, or figs of thistles?

Matthew 7:20

"Hence it is by their fruit you will know them.

Matthew 12:33-34

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

Matthew 15:19

For out of the heart come forth evil thoughts, murder, adultery, unchastity, theft, perjury, slander.

Treasury of Scripture Knowledge

Summary

As saith the proverb of the ancients, Wickedness proceedeth from the wicked: but mine hand shall not be upon thee.

General references

Bible References

Wickedness

Matthew 7:16
"By their fruits you will know them. Are grapes gathered of thorns, or figs of thistles?
Matthew 12:33
"Either make the tree good and its fruit good, or make the tree corrupt and its fruit corrupt; for by its fruit the tree is known.
Matthew 15:19
For out of the heart come forth evil thoughts, murder, adultery, unchastity, theft, perjury, slander.

General references

Matthew 15:18
while what comes out of the mouth comes from the heart??nd that is what defiles a man.