ignorance
/ˈɪɡn(ə)r(ə)ns/
noun
lack of knowledge or information

Ignorance is 'not knowing'. Most of the time, we don't even know that we don't know. Once we know that we don't know, we can do something about it.

So, knowing one's own ignorance is the starting point. Once you realize that you don't know, you can start your study. And only study resolves the ignorance.

A good news is that there is ample information available on the Internet these days.

sacrifice
/ˈsakrɪfʌɪs/
noun

1. an act of slaughtering an animal or person or surrendering a possession as an offering to a deity.

It's a powerful word. Nobody wants to sacrifice anything. And that's the major roadblock for us to reach our big dreams.

Let us ask once again, "Do I really want it?". If not, you don't sacrifice anything. Only when you want it badly, you surrender, you give up something you don't want to give up. You must get it whatever it takes.

Ask yourself once again, "Do I really want it?".