Ideas require commitment. Mental commitment is not enough; you can't just say the words to yourself. You have some excellent ideas right now and at the moment, you are working with the kind of emotional drive that could motivate you to do some great things. What I suggest is that you have a plan for when you run into obstacles, or run out of gumption. You must not let these things stop you. This is to say, persist. Convince yourself, forget that failure is possible, or forget that there is such a thing as success, and do what you are doing merely for its own sake. The whole process will teach you faith in your intelligence, and take you over that curiously modern hump of thinking that if something is not easy, it's not worth doing.