We don't know everything. That is ok. We can't possibly be experts on everything, but seek out people that know more than you about specific topics that you want to learn about, and soak up there knowledge.
My full name is Ankit Shukla. I have been a RN for over six years. I am pursuing my dream of motivational speaking. I speak of the better life because we can all have a better life. I would love to help you!