Here are 3 different sayings encoded using the same code:
K AGIR YZ OKVEKI YZ HYIVQESYDKDC FQVVQDJ.
-- SXGFGS FKDAGI YI KIVXYIC OTDPQJJ
VYEYDDYU, CYT HKI OQ KICUXQDQ.
UXKV PYYR GJ KI YOJHQIGVC VDGKF QLHQSV VY SYSTFKDGMQ FGVQDKVTDQ?
-- IQDY UYFZQ, "VXQ FQKPTQ YZ ZDGPXVQIQR EQI"
I give up!