Such comments motivates me to do more and improve. I've just read your bio and I'm feel like you: I'm teaching even thought I am FAR from being an expert. This

Such comments motivates me to do more and improve. I've just read your bio and I'm feel like you: I'm teaching even thought I am FAR from being an expert. This way I learn. And I do mistakes too. Just skimmed through the book and found a mistake (in the "increase clickable are section" the cross icon on the second picture don't have increased area -_-)