Ps 1:1,2  Pr 18:1  2Co 6:17 
   On this verse remark, that the clean beast must both chew the
   cud and part the hoof:  two distinct characteristics, or
   general signs, by which the possibility of error arising from
   the misinterpretation of names is obviated.  When God directs,
   his commands are not of doubtful interpretation.