I would personally not be able to write anything. To me, too many moments are priceless!
Maybe I could go by chapter

1. A Long Expected Party. There's something so fairy-tale like and classic about it that it makes me weep.
2. Lothlorien. I have never read a more beautiful description of nature!
3. Narn-i-Hin Hurin. In my opinion, the best tale in the Silmarillion.
4. Ainulindale and Valaquenta. Great stuff.
I could go on forever, but I'm too lazy right now