... summon all mankind to ...

Verily I say: Incline your ears to My sweet voice, and sanctify yourselves from the defilement of your evil passions and corrupt desires. They who dwell within the tabernacle of God, and are established  upon the seats of everlasting glory, will refuse, though they be dying of hunger, to stretch their hands and seize unlawfully the property of their neighbor, however vile and worthless he may be.
The purpose of the one true God in manifesting Himself is to summon all mankind to truthfulness and sincerity, to piety and trustworthiness, to resignation and submissiveness to the Will of God, to forbearance and kindliness, to uprightness and wisdom. His object is to array every man with the mantle of a saintly character, and to adorn him with the ornament of holy and goodly deeds.

Gleanings From the Writings of Bahá’u’lláh