What is the context?
Jesus turns from serving God instead of money to the worries that can make that loyalty difficult. Food, drink, and clothing are real needs. His illustrations begin with the greater gifts already received: life and the body. He then points to the Father's care for birds and the beauty of flowers.
The word for being anxious is μεριμνάω, merimnaō (meh-rim-NAH-oh). Thayer's Greek Lexicon explains its use here as being troubled with cares. The surrounding examples show the concern: attention consumed by sustaining life, clothing the body, and securing tomorrow.
Birds and flowers help His hearers consider the Father's care. Jesus says people matter more to Him than these things do. Worry cannot extend a person's life, and even Solomon's splendor does not equal the flowers' beauty. The questions press His hearers toward trusting the Father who knows them.
Jesus then contrasts a life occupied with securing these things with seeking God's kingdom and righteousness first. The reason He gives is personal: their heavenly Father knows what they need. His rule and what is right before Him are to direct their priorities.
The closing words bring attention back to today. Tomorrow has its own concerns, and today already has trouble to face. Jesus calls His followers to meet the present day in trust, instead of adding the whole imagined weight of the future to it.
How is this passage commonly understood?
Christians commonly understand this passage as calling for trust in the Father's care and giving His kingdom first place, rather than allowing material needs to dominate life. Wesley's notes on Matthew 6:25–34 and the Catholic Catechism, 305–306, both place the teaching within confidence in God's care; the Catechism also explains that He works through the actions of His creatures.
Where does this fit in God's plan?
The Father's care reaches its deepest expression in His gift of the Son. Romans 8:31–39 connects confidence in God's generosity with Christ's death, resurrection, and continuing prayer for His people. God's love has acted decisively for His people.
The same passage names distress, persecution, famine, and danger as hardships that cannot separate them from that love. Paul also describes his own hunger and exposure in 2 Corinthians 11:27. Trust in the Father therefore reaches through hardship; His saving care is larger than the ease of a particular day.
God's care also takes visible shape in the generosity of His people. 2 Corinthians 9:6–15 describes His grace supplying good works, meeting needs, and producing thanksgiving. People who trust the Father are drawn into caring for one another as His saving work creates a generous community.
What is our position?
Our study Prayer and Faith understands this passage as reordering the whole life toward God's kingdom and will. It places confidence in the Father's knowledge and provision, rather than treating prayer as a method of securing a preferred outcome.
Our companion study What Does Prayer Look Like? makes clear that asking is not itself sinful. Its emphasis is that growing trust releases control of circumstances and gives greater attention to God's purposes. Both studies understand seeking Him as the governing direction of life and prayer.