Acts 10:15 declares that God has made all foods clean — the same truth behind Paul's statement that nothing is defiled to the pure.

Hebrews 10:22 speaks of hearts sprinkled clean from an evil conscience — the pure internal state that makes all things pure.

1 Timothy 4:4 affirms that everything God created is good and not to be rejected, directly supporting that all things are pure.

1 Timothy 4:3 condemns false teachers who forbid foods, directly contradicting the purity of all things taught here.

In 1 Corinthians 10:25, Paul applies the same principle: eat without questioning conscience, reinforcing that all things are pure for the pure.

In 1 Corinthians 8:7, a weak conscience makes food unclean — exactly illustrating that to the defiled, nothing is pure.

Romans 14:20 repeats that all things are clean — same principle, adding a warning about causing others to stumble.

Romans 14:14 states that nothing is unclean in itself — an exact parallel to Paul's assertion here that all things are pure to the pure.

In Luke 11:39-41, Jesus teaches that inner purity makes all things clean — directly paralleling Paul's principle that to the pure all things are pure.

Matthew 15:18 says defilement comes from the heart, directly parallel to the inner corruption described here.

Mark 7:15 parallels Matthew 15:11, reinforcing that internal defilement is what matters — key to Titus 1:15's claim.

Leviticus 10:10 commands distinguishing clean/unclean — contrasted with the NT teaching that internal purity renders all clean.

1 Timothy 6:5 uses the exact phrase 'corrupt mind' to describe false teachers — identical to the condition here.

Leviticus 11:34 details defilement from contact — contrasted with the inner defilement of conscience that corrupts everything.

Leviticus 15:4 describes defilement from bodily discharges — contrasted with the internal corruption that defiles in Titus.

1 Timothy 1:5 says love comes from a pure heart and good conscience — the opposite of the corrupted conscience here.

Colossians 1:21 says minds were alienated from God — parallel to the corrupted minds of unbelievers here.

Proverbs 30:12 describes those pure in their own eyes yet unwashed from filth — matching the self-deceived defiled of Titus 1:15.

Haggai 2:14 states that a defiled people render their offerings unclean — the same principle that defilement contaminates everything.

Leviticus 7:19 mandates burning unclean meat — contrasting external ritual purity with the internal purity that makes all things clean.

Luke 11:41 says giving alms makes all things clean — a practical expression of 'to the pure all things are pure'.

Matthew 5:8 blesses the pure in heart — the internal purity that makes all things pure in Titus 1:15's logic.

Mark 7:23 lists evil things from within that defile a person — echoing the defiled mind and conscience of Titus 1:15.

Matthew 15:11 teaches that defilement comes from within, not from food — directly supporting the internal source of defilement in Titus 1:15.

Haggai 2:13 teaches that defilement transfers by contact, contrasting with the internal source of purity here.

In 1 Corinthians 11:27-29, unworthy participation defiles the act — showing internal state determines purity, paralleling the principle here.

Hebrews 9:14 explains how Christ's blood cleanses the conscience — the remedy for the corruption described here.

Jeremiah 11:15 shows God rejecting worship from those who play the harlot — a parallel to defiled hearts making everything unclean.

Romans 2:15 describes conscience bearing witness to God's law — here it is corrupted, unable to discern purity.

Acts 24:16 shows Paul striving for a clear conscience — the positive counterpart to the corrupted conscience described here.