William Blake i need help where does he use and oxymoron etc?

Question

The poems London

Answer 1

Say what?

Answer 2

You need to tell us what poem you are reading. William Blake often uses words that describe opposites, like in his poem "Auguries of Innocence".
"To see a world in a grain of sand
And a heaven in a wild flower,
Hold infinity in the palm of your hand
And eternity in an hour."