If I am lazy or don't really care about much, including success, there would be little reason to worry. We worry because we don't have control over a result. We worry when we feel that we can't determine an outcome with complete confidence. We worry because we feel that we are the only one who can do anything and when we don't feel that we are able to do what we should or need to, we worry. People who feel as if they are not very talented or not good at anything typically don't value accomplishment and thus there is no real need for them to worry. Those who have success unfortunately feel as if their success is completely up to them and fail to see where God fits in the equation. Worry is a result of our belief that we are more in control of things than God is.
Lord, help me to realize that You have given me all that I have and I need to realize that You have much more to do with the outcome than I do so I need to trust more and worry less.