Here are 3 different sayings encoded using the same code:
OVIX XQ PMHZ UX UI ZRQVAP.
OVIX LZBMVIZ XPZ FZIIMAZ FMG RZHZN LZ NZBZUHZC CQZI RQX FZMR UX UI
RQX TQNXP IZRCURA.
SUII FZ, SMXZ, TZ TUEE LZ FMNNUZC Q' IVRCMG.
-- TUEEUMF IPMSZIWZMNZ, "XPZ XMFURA QJ XPZ IPNZT"
I give up!