Mark 9:42
And whosoever shall offend one of these little ones that believe in me, it is better for him that a millstone were hanged about his neck, and he were cast into the sea.
Cross-reference
In Matthew 18:6, the same warning about millstone punishment for causing little ones to stumble appears, virtually identical.
2 Thessalonians 1:6-9 describes eternal destruction for those who afflict believers — the same severe judgment threatened for causing little ones to sin.
In 2 Corinthians 6:3, Paul echoes the same concern: placing no obstacle in anyone's path, aligning with Jesus' warning.
In 1 Corinthians 10:33, Paul models the positive counterpart: seeking others' benefit rather than causing them to stumble.
In 1 Corinthians 10:32, Paul expands the same principle: give no offense to anyone—Jews, Greeks, or the church.
Acts 26:11 shows Paul causing believers to blaspheme—a concrete instance of the very sin Jesus warns against.
Acts 9:4 reveals Jesus' identification with his people—persecuting them is persecuting Him, paralleling how harming a little one harms Christ.
In Luke 17:2, the identical millstone punishment for causing little ones to stumble reinforces the severity.
Matthew 10:42 promises reward for serving little ones — the direct opposite of the punishment for causing them to sin.
In Luke 17:1, Jesus states that stumbling blocks are inevitable but woe to the one who causes them, a parallel saying.
In 1 Corinthians 8:10, Paul warns that seeing a knowledgeable believer eat idol food may cause a weak brother to stumble, a direct application of the stumbling block principle.
Matthew 25:45 speaks of neglecting the least—a different sin but both involve treatment of the vulnerable.
In Matthew 18:10, Jesus warns not to despise little ones, expanding the same concern for protecting them.
In Romans 14:13, Paul urges not to put a stumbling block before a brother, applying the same principle in ethical guidance.
Matthew 25:46 pronounces eternal punishment for those who neglect the least—echoing the severe consequence Jesus attaches.
In 2 Peter 2:2, false teachers lead many into sin, causing the truth to be blasphemed—parallel to the warning about causing believers to stumble.
In Romans 16:17, Paul warns about those causing dissensions and offenses, similar to the warning against causing believers to stumble.