Before you do anything, you need to be convinced it can be done, not just for a moment, but for long enough to learn or invent it. If you've never done somethin

Before you do anything, you need to be convinced it can be done, not just for a moment, but for long enough to learn or invent it. If you've never done something or seen it done, then it may be as remote as landing on the moon, even if there's one (simple) weird trick to it.