Know verily that the purpose underlying all these symbolic terms and abstruse allusions, which emanate from the revealers of Gods holy cause, hath been to test and prove the peoples of the world; that thereby the earth of the pure and illuminated hearts may be known from the perishable and barren soil.
Bahá'u'lláhO Son of Spirit! My first counsel is this: Possess a pure, kindly and radiant heart, that thine may be a sovereignty ancient, imperishable and everlasting.
Bahá'u'lláhThus hath it been sent down from the heaven of the Will of your Lord, the Lord of Revelation.
Bahá'u'lláhThe betterment of the world can be accomplished through pure and goodly deeds and through commendable and seemly conduct.
Bahá'u'lláh