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

IHD VYUN ID WOXJIT ZWIVIZV. IH ID PNJA IV LNCNLNVTN. IH DNHHJND NCNLKHPIVF.
DZUN HPIVB IH ID HPN CZITN ZM FZA.
-- UYLB HSYIV