Here are 3 different sayings encoded using the same code:
MKJ KHIB PSQQVHF HC CZVJFNQKVP VQ HC QH QGJJM SFN QMJSNB SFN IHBSI SFN
JFNOZVFY S FSMOZJ MKSM VM GVII ISQM MKZHOYK S GKHIJ IVCJMVRJ, VC FHM SQXJN MH
IJFN RHFJB.
-- RSZX MGSVF, "PONN'FKJSN GVIQHF'Q USIJFNSZ"
BHO'II TJ USIIJN MH S PHQM ZJDOVZVFY STVIVMB VF KSFNIVFY YZHOPQ HC PJHPIJ.
VM VQ TB MKJ CHZMOFJ HC YHN MKSM, VF MKVQ UHOFMZB, GJ KSAJ MKZJJ TJFJCVMQ:
CZJJNHR HC QPJJUK, CZJJNHR HC MKHOYKM, SFN MKJ GVQNHR FJAJZ MH OQJ JVMKJZ.
-- RSZX MGSVF
I give up!