Galatians 4:13 provides the reason for Paul's lowly appearance — a bodily illness that tested the Galatians' response described in v14.

In 1 Thessalonians 2:13, the Thessalonians received Paul's word as God's word — mirroring the Galatians' welcome of Paul as Christ.

In Isaiah 53:3, Christ was despised and rejected—contrasting with the Galatians' welcome of Paul despite his degrading condition.

In Matthew 10:40, Jesus says receiving His messengers is receiving Him — the same principle behind the Galatians welcoming Paul as Christ.

In Luke 10:16, Jesus tells the seventy-two that listening to them is listening to Him — directly parallel to Paul being received as Christ.

In John 13:20, Jesus declares that receiving His sent ones is receiving Him — the exact principle Paul experienced from the Galatians.

2 Samuel 14:17 uses the same 'angel of God' compliment for David—the phrase the Galatians used to honor Paul.

1 Corinthians 2:3 parallels Paul's weakness and fear when preaching, matching the physical trial the Galatians witnessed and accepted.

1 Thessalonians 4:8 warns that rejecting the apostle is rejecting God—the Galatians instead received Paul as God's messenger.

Isaiah 53:2 describes the Messiah having no appearance to attract—mirroring Paul's lack of outward appeal that the Galatians overlooked.

2 Corinthians 10:10 reports opponents despising Paul's weak presence, contrasting sharply with the Galatians' respectful reception of his condition.

In 2 Corinthians 5:20, Paul calls himself an ambassador for Christ — consistent with being received as Christ Himself in Galatians.

2 Corinthians 4:7 uses 'jars of clay' to show God's power through human weakness, similar to Paul's bodily affliction as the vessel for his message.

In 1 Corinthians 4:10, Paul calls himself weak and dishonored—the same apostolic weakness the Galatians welcomed rather than scorned.

Acts 10:33 shows Cornelius eagerly receiving Peter as God's messenger, paralleling how the Galatians received Paul as an angel of God.

1 Corinthians 1:28 says God chose the despised things—showing the Galatians' embrace of Paul's lowly condition fits God's pattern.

Acts 28:15 shows believers coming out to welcome Paul in Rome, echoing the warm reception the Galatians gave him despite his condition.

Ecclesiastes 9:16 notes that the poor man's wisdom is despised — the Galatians instead respected Paul despite his weak physical state.

Job 12:5 states that the at ease hold misfortune in contempt — contrasting with the Galatians who did not despise Paul's affliction.

2 Samuel 19:27 again calls David 'like an angel of God'—another instance of this OT honorific the Galatians applied to Paul.

Zechariah 12:8 says the feeble will be like David, and the house like an angel—echoing the theme of weak people being treated as divine messengers.