We can receive “grace from the bounty of the Holy Spirit which appears in the Manifestations of God”

It is evident that the souls receive grace from the bounty of the Holy Spirit which appears in the Manifestations of God, and not from the personality of the Manifestation. Therefore, if a soul does not receive grace from the bounties of the Holy Spirit, he remains deprived of the divine gift, and the banishment itself puts the soul beyond the reach of pardon. (‘Abdu'l-Baha, Some Answered Questions, p. 128)