Quotes by Hereditary What is not hereditary cannot be permanent. George Orwell hereditary permanent In Pakistan politics is hereditary. Imran Khan hereditary pakistan sports Nobility should be elective, not hereditary. Johann Georg Ritter von Zimmermann hereditary nobility should My love of singing is hereditary. Susan Boyle hereditary singing Virtue is not hereditary. Thomas Paine hereditary virtue Hereditary sloth instructs me. William Shakespeare hereditary sloth I finally demonstrated that typhus infection is not hereditary in the louse. Charles Jules Henry Nicole typhus finally hereditary infection