Gleanings — Paragraph 544
Source (Arabic)
نفس ینبغي أن یختار لنفسه ما لا یتصرّف فیه غیره ویکون معه في کلّ الأحوال تالله إنّه لحبّ الله لو أنتم من
Translation
For every one of you his paramount duty is to choose for himself that on which no other may infringe and none usurp from him. Such a thing — and to this the Almighty is My witness — is the love of God, could ye but perceive it.