Translation of Spatzenhirn

We can recognize the facts and how they are. So we might observe a lot of things but we will never understand, we will never know why the flower is red, what brought the little aninal to that height.
I tried to explain that I was preferring to eat with everybody together I that I preferred not to eat meat if they did not eat it either, for financial reasons. I thought that they understood my feelings.
In order to see it you have to complete a lesson. I attached a screenshot. I did not place any rating there, so that it will not demotivate some of the users, especially the fresh beginners.