Arabic source with Shoghi Effendi’s
authorized English translation. Paragraph 544 of 729.
Source (Arabic)
نفسینبغيأنیختارلنفسهمالایتصرّف فیه غیرهویکون معه في کلّ الأحوال تالله إنّهلحبّاللهلوأنتممن
Shoghi Effendi Translation
For every one of you his paramount duty istochoosefor himselfthat on whichnoother may infringe and none usurp from him. Such a thing — and to this the Almighty is My witness — isthe loveof God, couldye but perceive it.