Here are 3 different sayings encoded using the same code:
PBTNQF JDSO GBDSQBGY TNZ JDS PBTNQF JDSO IDOAZ.
VG VY FTYJ GD KVNZ KTSAG, VK DNF BTY GBTG ZVYXDYVGVDN. GBFOF ITY DNPF T ETN
IBD, NDG UFVNQ TUAF GD KVNZ TNJ DGBFO KTSAG IVGB BVY PDTA, PDEXATVNFZ GBTG
GBFOF IFOF GDD ETNJ XOFBVYGDOVP GDTZY VN VG.
-- ETOR GITVN, "XSZZ'NBFTZ IVAYDN'Y PTAFNZTO"
UF PTOFKSA DK OFTZVNQ BFTAGB UDDRY, JDS EVQBG ZVF DK T EVYXOVNG.
-- ETOR GITVN
I give up!