Everyone has him/herself which they can improve with willpower. You can build some serious discipline, you can get stronger just using your, you can be courageous by just daring and looking fear into the eye.

Everything great that was made by humans was created because the individuals that created that great work were smart humans.

You can become smart by reading on the internet or in books, costs almost nothing for us and everyone here on Steemit has it.

We have more power in ourselves than we can comprehend.