You know the notion that if plan A doesn't work out you should follow plan B? Yet, what if it happens that you have only thought of plan A as the perfect plan - "Plan A" and it doesn't work out - then what - usually you move onto plan B.
An idea is something powerful, big or small it is powerful on its own. Albert Einstein is widely know for his genius mind and many knowledgeable ideas and discoveries yet, how do we know that those ideas arose from idea A or idea Z.
The fact of the matter is that having alternative plans to back up your idea or ideas is a cleaver thing to do, a clever strategy should always accompany your idea of which to the end you can go so far as to save your integrity.