Aim: What is Wilde's view of "art" in the preface?
HE puts too much of himself into the picture and he thinks ar is everything

Why is this a manifesto about the purpose of Art, the role of the artist, and the value of beauty?
How does he define both artist and critic?
artist puts himself into art but others see the picture by their own view.

What do you think he meant by saying "a book can be moral or immoral?"
a book can give u good thoughts and teach something but its possible that may be it wont.

Interpret: "Those who go beneath the surface do so at their peril." Is this a warning of some kind?
yes there is a warning.

Interpret: "It is the spectator, and not life, that art really mirrors."
Explain whimsical last line: "All art is quite useless."

that the things which you create in art is not real its imagintion but the things in real life are for real.