Here are 3 different sayings encoded using the same code:
XJ'O KMUTP PNM'BQ VNXWV ON OKNCKP, EQUIMOQ PNM'BQ VNXWV XW JLQ CBNWV DXBQUJXNW.
PNM IBQ YIVWQJXU XW PNMB EQIBXWV.
LQ JLIJ XO VXDDP JLXWTO JLQ CNBKD JMBWO BNMWD.
-- CXKKXIY OLITQOFQIBQ, "JLQ JIYXWV NA JLQ OLBQC"
I give up!