Here is 1 saying encoded using a letter for letter replacement:

OFC ECRLO UCSZCUOIBC EIOCSRSN ZSIOIZ
OFC PDLO IPUDSORYO ZSIOIZ IY DXS HICEA DH LOXAN IL EDSA FREIHRV. R
PDLO IYAIBIAXRE WXAJC DH UDCOSN, FC DYZC IYBIOCA RECVRYACS UDUC SDXYA OD
JIBC R UXGEIZ SCRAIYJ DH FIL EROCLO UDCP.
UDUC, OFC ECRAIYJ UDCO DH FIL ARN, QRL JSCROEN LXSUSILCA QFCY EDSA
FREIHRV LODUUCA FIP HDXS DS HIBC OIPCL RYA LRIA, "I GCJ NDXS URSADY, PS.
UDUC, GXO OFCSC IL LDPCOFIYJ IY OFRO URLLRJC OFRO ADCL YDO KXIOC UECRLC PC."
UDUC QRL SCYACSCA LUCCZFECLL, RL OFIL HIYC ZSIOIZ LXJJCLOCA LITCRGEC
RYA XYQILC CPCYAROIDYL OD FIL EROCLO PRLOCSUICZC. "GC LD JDDA RL OD PRSM
OFC UERZC RYA ZDYLIACS RO NDXS ECILXSC. I'P LXSC NDX ZRY JIBC IO R GCOOCS
OXSY."
RHOCS OFC SCRAIYJ, R JDDA HSICYA DH EDSA FREIHRV, R ZCSORIY AS.
JRSOF, ODDM OFC LOXYYCA UDUC OD DYC LIAC. "OFCSC IL YD YCCA OD ODXZF OFC
EIYCL," FC LRIA. "REE NDX YCCA AD IL ECRBC OFCP WXLO RL OFCN RSC, ZREE DY
EDSA FREIHRV OQD DS OFSCC PDYOFL FCYZC, OFRYM FIP HDS FIL MIYA DGLCSBROIDY
DY OFDLC URLLRJCL, RYA OFCY SCRA OFCP OD FIP RL REOCSCA. I FRBC MYDQY FIP
PXZF EDYJCS OFRY NDX FRBC, RYA QIEE GC RYLQCSRGEC HDS OFC CBCYO."
UDUC ODDM FIL RABIZC, ZREECA DY EDSA FREIHRV RYA SCRA OFC UDCP
CVRZOEN RL IO QRL GCHDSC. FIL XYIKXC ZSIOIZRE HRZXEOICL FRA EDLO YDYC DH
OFCIS CAJC. "RN", FC ZDPPCYOCA, "YDQ OFCN RSC UCSHCZOEN SIJFO. YDOFIYJ ZRY
GC GCOOCS."
-- LOCUFCY UIEC, "OFC GDDM DH FCSDIZ HRIEXSCL"