Many of us are concerned about the economy, and so we have financial fears. We then act as if God is unaware of our bills? "Don't you see, God? I'm going under! I'm not going to make it!" We get uptight, upset, and we worry.
But worry is the result of not realizing the OMNISCIENCE of God. When we think that God doesn't know what's going on in our lives, we think we have to take matters into our own hands. Many resort to doing things they would normally not to. Sleep around, commit fraud, some steal, some kill, some take on jobs that are unChristian etc.
But the truth is God is aware of all your needs. He's aware of every single need you have: financial needs, spiritual needs, sexual needs, social needs, and emotional needs. In fact, the Bible says God knows what you need before you ask. He already knows what's going on in your life.
What's the use of praying, then? God's waiting for you to ask Him for HELP. The Bible says, "You have not because you ask not."