Niklaus Wirth

My being a teacher had a decisive influence on making language and systems as simple as possible so that in my teaching, I could concentrate on the essential issues of programming rather than on details of language and notation.

Yes, it is a rehearsed show, yes, it was analogy of going to see a play at the theatre, where everything has to be in place and whole things, everything being works, all works together to get the best effect you know it's more like an actor learning a part.