Sentence examples for I learned this from inspiring English sources

I learned this attitude.

I learned this hard way.

I learned this lesson quickly.

I learned this lesson the hard way.

I learned this one the hard way.

I learned this lesson accidentally last week.

I learned this as a child.

At least, that's what I think I learned this summer.

So what have I learned this year?

I learned this at Occupy Wall Street.

I learned this through watching TV drama in South Korea".