For extra credit, you can take the full Myers-Briggs test here and post your results in the comments section, along with a self-analysis and an example of a character from anything we've read (Crucible, F451, Cuckoo's Nest, BNW, etc.) Below is a more detailed discussion of all the types to help you out!
And when you feel ready, write a paragraph giving your interpretation of Nietzsche's statement and its thematic relation to Miller's play in general, and Act III's climax in particular.