Here are 3 different sayings encoded using the same code:
EYU LIPG KITGZ EYUCVGBS KYY VGCFYUVBE.
OCFZTBGV VLYUBX DGCGBE FZXFJIKG OLGCG VDFBGV LIPG RGGZ.
-- DICT KOIFZ
NYUZXV! F OIV ZGPGC VY RGKLUDAGX OFKL OYCXV
VFZJG F SFCVK JIBBGX DE RCYKLGC'V SIKLGC XIX.
-- OFBBFID VLITGVAGICG, "TFZX HYLZ"
I give up!