Matthew 7:20
Wherefore by their fruits ye shall know them.
Cross-reference
Matthew 7:16
Parallel
In Matthew 7:16, Jesus first states 'by their fruits you will know them'; verse 20 repeats the same test.
Acts 5:38
Parallel
In Acts 5:38, Gamaliel advises judging by outcomes, a similar principle of discerning by results.
Proverbs 31:31
Parallel
In Proverbs 31:31, the virtuous woman is praised by her works, echoing the principle of being known by fruit.