Sentence examples similar to what I learned initially from inspiring English sources

Here's what I learned.

"I just learned what I learned already".

"What I learned I learned on my own," he continued.

"That's what I learned.

"I have only written what I experienced, what I saw, what I learned first-hand".

"That's what I learned from Lena".

Here is some of what I learned.

Here is what I learned.

That is what I learned.

What I learned reassured me.

What I learned.