In 2 Corinthians 1:18, Paul invokes God's faithfulness — supporting his oath in 1:23 that he spared them by not coming.

In 13:10, Paul writes while absent to avoid using severity—echoing his motive in 1:23 to spare them by staying away.

In 13:2, Paul warns he 'will not spare' if he comes again—contrasting with his earlier decision to spare by not coming.

In 12:20, Paul fears finding sin among them—this fear explains why he stayed away to spare them as stated here.

In 2 Corinthians 2:1, Paul explains his decision to avoid another painful visit, directly continuing the sparing motive mentioned here.

In 2 Corinthians 11:11, Paul similarly appeals to God's knowledge of his love, reinforcing his sincerity.

In 2 Corinthians 11:31, Paul again invokes God as witness that he is not lying, echoing the same solemn oath.

In 2 Corinthians 11:10, Paul swears 'as the truth of Christ is in me' — another strong oath like calling God as witness.

In 1 Thessalonians 2:5, Paul affirms 'God is witness' regarding his pure motives, matching the sincerity claim here.

In Philippians 1:8, Paul says 'God is my witness' about his yearning for them, identical to the appeal in 2 Corinthians 1:23.

In Galatians 1:20, Paul declares 'before God, I do not lie' — a direct parallel to calling God as witness to his truthfulness.

In Romans 1:9, Paul calls God as witness to his unceasing prayers, using the same formula of divine testimony.

In Acts 20:26, Paul calls witnesses to his innocence — a parallel oath-taking formula using the same language of 'record'.

In Job 16:19, Job declares his witness is in heaven — the same appeal to a divine witness Paul makes.

In 1 Corinthians 4:19, Paul states he will come shortly — the same travel plans he delayed, as explained here.

In 1 Cor 4:21, Paul offers a choice between a rod or gentleness—the same gentle approach he chose by not coming here.

In Romans 9:1, Paul makes a solemn assertion of truthfulness with conscience and Spirit as witness, similar to his appeal to God.