Here are 3 different sayings encoded using the same code:
NBRTG'H QSX:
OKT HNNGTI CNP VSQQ DTKEGR, OKT UNIT OEUT CNP KSJT ON YSOYK
PF.
USG PHPSQQC SJNERH SOOIEDPOEGB YQTJTIGTHH ON HNUTDNRC TQHT -- PGQTHH EO
EH SG TGTUC.
-- SQDTIO TEGHOTEG
OKT KPUSG ISYT EH S ISYT NV YNXSIRH; SGR E SU GNO NGQC USIYKEGB EG OKSO
FINYTHHENG DPO YSIICEGB S DSGGTI.
-- USIZ OXSEG
I give up!