How to Set Goals for Yourself

Do you still set goals for yourself and what is your process of setting goals? Because sometimes like you said you set too high expectations and then you feel disappointed in yourself. I have a journal where I write down some dreams and aspirations and things that I want to accomplish. If there's something that I just never accomplished then I just need to kind of look at it again and say, "Is this really something that I can or even really want to anymore?"