Here are 3 different sayings encoded using the same code:
FN IHRCNPF WBP PFN PFHNRI WL FTJ VNHGWJTPM LTUNH PFRU PFN JPRZON WL FTJ
RHYBQNUP.
-- CTOOTRQ JFRXNJZNRHN, "OWVN'J ORGWBH'J OWJP"
RGRUIWU PFN JNRHAF LWH PHBPF; JNPPON LWH R YWWI LRUPRJM.
JRVN NUNHYM: GN RZRPFNPTA.
I give up!