Mark 11:25
And when ye stand praying, forgive, if ye have ought against any: that your Father also which is in heaven may forgive you your trespasses.
Cross-reference
Matthew 6:12 echoes the same principle: forgive others so that God forgives you — part of the Lord's Prayer.
Matthew 6:14 repeats the same condition: forgiving others leads to God's forgiveness.
Matthew 6:15 states the negative side: unforgiveness blocks God's forgiveness — same teaching in opposite form.
Matthew 18:23-35 illustrates the necessity of forgiveness through the parable of the unmerciful servant.
Luke 6:37 links forgiveness with not judging and condemning — another expression of the mutual forgiveness principle.
Ephesians 4:32 grounds forgiveness in Christ's example—forgive as God forgave you—deepening the motive beyond just receiving forgiveness.
Colossians 3:13 echoes the command to forgive as the Lord forgave, adding bearing with one another and forgiving grievances.
Matthew 18:22 commands unlimited forgiveness (seventy-seven times), expanding the scope of the forgiveness demanded before prayer.
1 Timothy 2:8 instructs prayer without anger, complementary to Mark 11:25's call to forgive before standing in prayer.
Luke 18:11 portrays a self-righteous prayer without forgiveness — contrasting with the forgiveness required in prayer here.
Matthew 5:7 promises mercy to the merciful, directly supporting the idea that forgiving others leads to receiving forgiveness from God.
James 2:13 warns that judgment without mercy awaits the merciless, reinforcing that forgiving others unlocks God's mercy.