Matthew 25:30
And cast ye the unprofitable servant into outer darkness: there shall be weeping and gnashing of teeth.
Cross-reference
In Matthew 3:10, unfruitful trees are cut down and thrown into fire, paralleling the worthless servant cast into outer darkness.
Matthew 5:13 says salt that loses its taste is thrown out, just as the worthless servant is cast out for being useless.
Matthew 8:12 uses the identical phrase 'outer darkness...weeping and gnashing of teeth' for those excluded from the kingdom.
Matthew 13:42 uses 'weeping and gnashing of teeth' in the parable of the weeds, another judgment scene with fiery furnace.
Matthew 13:50 repeats 'weeping and gnashing of teeth' from the dragnet parable, reinforcing the same judgment imagery.
Matthew 22:13 uses the exact phrase 'outer darkness...weeping and gnashing of teeth' for the guest without a wedding garment.
Matthew 24:51 ends with the same 'weeping and gnashing of teeth' for the unfaithful servant, a parallel judgment.
Ezekiel 15:2-5 describes useless vine wood fit only for fire — exactly parallels the worthless servant cast into outer darkness.
Luke 13:28 uses 'weeping and gnashing of teeth' for those cast out of the kingdom, echoing the same exclusion.
Luke 14:35 continues: useless salt is thrown out — directly parallel to the unprofitable servant being cast into darkness.
John 15:6 says branches not abiding in Christ are cast into fire — similar judgment for unfruitfulness as the servant.
Jude 1:13 uses 'gloom of utter darkness' reserved for the ungodly, a similar image to outer darkness.
Luke 17:10 portrays a humble servant who does his duty — contrasting with the worthless servant punished here.
Romans 3:12 declares all have become worthless — the same term used here for the servant, showing universal sinfulness.
Philemon 1:11 contrasts Onesimus's former uselessness with his present usefulness — opposite of this worthless servant.
Acts 7:54 uses the same 'gnashing of teeth' to describe angry opposition — different from the judgment weeping in this verse.