Here are 3 different sayings encoded using the same code:
BFTWNF QY W GWVV BVQCO XWC TMGR QCF BVWIA ZRQF.
YWXMVMWNMGH BNFFOZ IQCGFXPG -- WCO IRMVONFC.
-- XWNA GTWMC
MY GTQ PFQPVF VQUF FWIR QGRFN, GRFNF IWC BF CQ RWPPH FCO GQ MG.
-- FNCFZG RFXMCSTWH
I give up!