God wants us to bring everything to Him, as if we were children who can’t do much on our own. He’s right, we can’t. At the same time, when “Don’t worry” is stated repeatedly in the Bible, it is actually a command. So God is stating, STOP worrying, and do this instead, to paraphrase. Are you able to do either of these? Both of these?
There are several verses in the Bible about why God doesn’t want us to worry, and why we don’t need to. Do you believe Him? Read God’s word (a LOT 🙂 )and pray and think about these things. It is for your benefit, for others as well, and for God’s glory. It’s kind of important.