Designer and author George Lois once said: "You can be cautious or you can be creative (but there's no such thing as a cautious creative)." Basically, you can never innovate without taking a little risk.
Image remixed from Resurgere. Click on it for a wallpaper-sized version.
If you're being truly creative, there's always a chance your fresh idea will flop, or won't be doable, or otherwise won't succeed. If you're working on something that's a guaranteed success, it's unlikely you're creating anything new and different. If you really want to create something new, brace yourself and grow those wings on the way down the cliff.
Cautious vs. Creative [Swissmiss]