Translation of vindicar

He wants us to think about his poem to recognize the details because that is the only way of finding out more about the reality of life. With a lot of observation and analysis we see it in a clearer way.
Nevertheless I think that we need to communicate. All in all, we will learn a lot from each other, mostly by writing, but speaking exercises are also really good for your Spanish skills. Is this OK?
Is there a way that I could test your Spanish and German lessons? Quality is very important to me. Can you send me a lesson electronically (by email or word)? Maybe you have your lesson ready.