penn - pen (obs.) + Bulwer-Lytton: 'The pen is mightier than the sword' + penna (l) - feather (in the Egyptian Book of the Dead or 'boke of the deeds' two lines below, during the Judgment of the Dead by Osiris, the heart of the deceased (actually ba, one of the subtle bodies, for which heart is hieroglyphic sign) is weighed in a balance against a feather to see if it is heavy with sin).