Not trying is just, in my opinion anyway, inaction. Inaction will not produce results that most people really want as people very often want the opposite of those inaction results. Therefore, go out and just do it!
And thinking of it as more of an action-item is better than thinking of it as just plain "try". For example, will you ever succeed if all you do is "try" to write a hub? No! You have to actually take action and do it!
As another completely different example, I was good at math when in elementary and middle school until it came time to learn about geometry. I also always received A's and B's for everything. Then, there was the day I had to take a geometry test. I failed it, but I gave it my best and felt very good about knowing I did my best. That was actually a really good thing for me to experience because I learned how to ask for help. I went on to after school help and successfully passed all future geometry classes.
So, in a nutshell, it is always best to go out and do because even a perceived failure is just another bump in the road that allows for a learning opportunity!