External Means, the Acceptance of a New Truth by Whole Masses of Men on a Lower Level of Development Through Simple Confidence in their Leaders — When a Certain Stage in the Diffusion of a Truth has been Reached, a Public Opinion is Created which Impels a Whole Mass of Men, formerly Antagonistic to the New Truth, to Accept it — And therefore all Men may Quickly be Brought to Renounce the use of Violence when once a Christian Public Opinion is Established — The Conviction of Force being Necessary Hinders the Establishment of a Christian Public Opinion — The Use of Violence Leads Men to Distrust the Spiritual Force which is the Only Force by which they Advance — Neither Nations nor Individuals have been really Subjugated by Force, but only by Public Opinion, which no Force can Resist — Savage Nations and Savage Men can only