Worries or Fear = Doubting God

Worries or Fear = Doubting God 

The idea that worry or fear = doubting God is a biblical concept, though the Bible doesn't state it in exactly those words. However, there are multiple verses and teachings that strongly connect worry, fear, and anxiety with a lack of trust or faith in God. Here's a biblical explanation and proof:

Jesus’ Teaching in Matthew 6:25–34 (Do Not Worry)

Matthew 6:30 (NIV):
"If that is how God clothes the grass of the field, which is here today and tomorrow is thrown into the fire, will he not much more clothe you—you of little faith?"

• Jesus is teaching against worry about basic needs—food, drink, and clothing.
• He links worry with "little faith", showing that worry is the result of not fully trusting God's provision.

Philippians 4:6–7 — Do Not Be Anxious

Philippians 4:6 (ESV):
"Do not be anxious about anything, but in everything by prayer and supplication with thanksgiving let your requests be made known to God."

• Paul commands believers not to be anxious, but instead to trust God in prayer. 
• Anxiety here contrasts with faith in God's care.

Isaiah 41:10 — God's Assurance Against Fear

Isaiah 41:10 (ESV):
"Fear not, for I am with you; be not dismayed, for I am your God; I will strengthen you, I will help you, I will uphold you with my righteous right hand."

• Fear is unnecessary because of God's presence and help.
• Fear arises when one forgets or doubts God's nearness and power.

Mark 4:40 — Jesus Rebukes Fear During the Storm

Mark 4:40 (NKJV):
"But He said to them, ‘Why are you so fearful? How is it that you have no faith?’"

• The disciples feared for their lives during a storm even though Jesus was with them.
• Jesus equates fear with lack of faith.

Conclusion:

Biblically, worry and fear often indicate a lack of trust or faith in God, which is practically equivalent to doubting God. This doesn’t mean believers will never struggle with fear or anxiety, but the Bible consistently calls them to replace these with faith, trust, and prayer.