Here are 3 different sayings encoded using the same code:
LNU BDHH YNAMXK KPIK LNU XOXA EGXB QX.
KN FX NA GNK KN FX.
-- ZPIEXZSXIAX
KN TN DZ KN FX.
-- GDXKWZCPX
KN FX DZ KN TN.
-- ZIAKAX
TN FX TN FX TN.
-- ZDGIKAI
DY NGX CIGGNK XGRNL AXITDGM I FNNE NOXA IGT NOXA IMIDG, KPXAX DZ GN UZX
DG AXITDGM DK IK IHH.
-- NZCIA BDHTX
I give up!