Here are 3 different sayings encoded using the same code:
RKRFXLXTM QVJQNR IQKMSR SIZ AKXVSN DXMP.
-- JD. RIQGZRFZQWZ

E: JIN XR FTVQMP YKRS VXGZ SIZ KMXSZP RSQSZR?
Q: XM SIZ KMXSZP RSQSZR NTK LQM'S HKN QMNSIXMA BTW CVTSNR QMP XM
FTVQMP NTK LQM'S ZXSIZW, JIXVZ XM SIZ K.R. NTK LQM AZS JIQSZUZW
NTK JQMS BTW PTVVQWR, YKRS QR NTK LQM XM FTVQMP.
-- HZXMA STVP XM FTVQMP, 1987

QWZ NTK Q SKWSVZ?