Here are 3 different sayings encoded using the same code:
DAUFY ZH XFDZAXFS QVZHDQXDZFS QXXBZ FWFOQXQHH UFY.
R: WGFD UA YAB EFSS F MSZXU, UQFC-IBDQ, RBFUOFTSQNZE LZONZXZFX?
F: DOBHDWAODGY.
DGQ IZXU ZH ZDH AWX TSFEQ, FXU ZX ZDHQSC
EFX IFJQ F GQFL'X AC GQSS, F GQSS AC GQFL'X.
-- KAGX IZSDAX
I give up!