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

XTGHZ SYQ, DHTRHV. VTHX JQ JSRQHSQGZ.
-- RCHLTRATHVT, "EWGJWR DHTRHV" 3,1

CTVT JR H GTQQTV, VTHX JQ HQ ZYWV GTJRWVT.
-- RCHLTRATHVT, "PTVDCHSQ YU OTSJDT" 5,1

[BWYQTX JS "OPR JSQTVSHGR HSX XHQH RQVWDQWVTR", O4.4, NCTS
VTUTVVJSK QY J/Y RZRQTP RTVOJDTR.]