There was a moment in history, we as people looked up for the very first time [at the stars] and never would it be the same. We brought our own relevance and capabilities into question with a majesty that, to this day, maintains an unrelenting hold on our lives. As sophisticated as we may feel we have become, as progressive as we may imagine we are, rest assured most of us find ourselves petrified by the thought of failure.
The more you understand, the better you are. Sometimes we can fear 'tangents' but I have come to find that tangents are many times the foundation to what will differentiate you from someone else.