Ambivalent and apathy in a sentence

When first i engaged in this work, i resolved to leave neither words nor things unexamined, and myself with a prospect of the hours which i should revel away in feasts of literature . . –preface to a dictionary of the english language, samuel johnson what is the connotation of the word revel in this passage?

What do critics say about art happenings and flash mobs

Which of the characteristics apply to mr. john (fanny) dashwood?