Whosoever shall unlawfully and maliciously by any means whatsoever wound or cause any grievous bodily harm to any person, . . . F1 with intent, . . . F1 to do some . . . F1 grievous bodily harm to any person, or with intent to resist or prevent the lawful apprehension or detainer of any person, shall be guilty of felony, and being convicted thereof shall be liable . . . F2 to be kept in penal servitude for life . . . F3