Here are 3 different sayings encoded using the same code:
JNM ZXJ ANHHJ XCNMT JNMH VXRH-QN TNQXJ, CMT TNZNHHNA ZMIV PWXSMT CMTTWH ARLL
CW ENLQ.
JNM PLXS TVRSGE TVXT JNM QN SNT WUWS XTTWZPT CWIXMEW NB JNMH WYTHWZW IXMTRNS.
RE TVXT HWXLLJ JNM TVXT RE HWXQRSG TVRE?
I give up!