Philosopher Quotes and aphorisms about obligation A. P. Martinich Friedrich Nietzsche Thomas Hobbes Simone Weil Judith Butler ,, When Zionism becomes co-extensive with Jewishness, Jewishness is pitted against the diversity that ... Pierre Teilhard de Chardin John Stuart Mill Lysander Spooner ,, The rescue of a person, who is assaulted, or restrained of his liberty, without authority of law, i... Lysander Spooner Lysander Spooner