God is God and we are not. We are His creation and He loves us each individually. I believe what the psalmist wrote, but I know not everyone does. They may feel that they don't need God in their daily lives. They think they can carry on their lives without any help. And, who knows? Maybe they can. But why should they?
Our God loves us and wants to be a part of our lives every day. He wants us to understand that we can accomplish great things through Him and He yearns for us to reach out to Him.
We are His.