Bible perspective about Gambling.
Although the Bible does not discuss gambling in detail, we can discern from Bible principles that God views gambling as a sin.— Ephesians 5: 17. *
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Gambling is driven by greed, which God hates. ( 1 Corinthians 6: 9, 10; Ephesians 5: 3, 5) Gamblers hope to gain money through the losses of others, but the Bible condemns coveting other people’s possessions.— Exodus 20:17; Romans 7:7; 13: 9, 10.
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Gambling, even for small amounts, can arouse a destructive love of money.— 1 Timothy 6: 9, 10.
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Gamblers often rely on superstitions or luck. However, God views such beliefs as a form of idolatry, which is incompatible with his worship.— Isaiah 65:11.
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Rather than promote a desire to get something for nothing, the Bible encourages hard work. ( Ecclesiastes 2: 24; Ephesians 4: 28) Those who follow the Bible’s advice can “eat food they themselvesearn.”— 2 Thessalonians 3: 10, 12.
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Gambling can arouse an unhealthy competitive spirit, which is disapproved in the Bible.— Galatians 5: 26
source: Jw.org