Ad maiorem Dei gloriam

"Ad maiorem dei gloriam" means "For the greater glory of God." This phrase is often used by religious people to remind themselves to do things that will make God happy. For example, if you help others or do something kind, it can be considered "ad maiorem dei gloriam" because it shows that you are trying to make God proud and happy. It is like doing something good for your parents to make them happy and proud of you. People use this phrase to remind themselves that everything they do should be in honor of God.