Goals can be experienced as mental images. You can close your eyes and imagine everything, just like a movie. See yourself achieving your goal. Watch yourself as you attend school or practice you profession in your ideal environment. See other people congratulating you. Enjoy your success.
Understand that you cannot control reality with visualization. However, it does changes your attitude; it helps you to focus, provides motivation, and reduces stress. Positive visualization is an excellent way to take a short break from studying