Here are 3 different sayings encoded using the same code:
VTNPXBD MNTWFSDG QXDGPFTBG VTN PLD KNDUP UBGRDNG: #21
U: SN. YFWFBKGPTB F. MNDGXZD.
Q: RLUP'G SN. MNDGXZD'G VXYY BUZD?
PTSUH FG BUPFTBUY DIFGPDBPFUY DBBXF URUNDBDGG SUH.
VTN U YFKLP LDUNP YFWDG YTBK.
-- GLUCDGMDUND, "YTWD'G YUATXN'G YTGP"
I give up!