He would relapse into mysticism, and, wrapt in his reveries, lose sight of the gravity of the emergency that confronted him.

Shoghi Effendi, God Passes By, p. 36

He looks at the cults, worships, mysticisms, ideologies that beset his path. He sees that all is vanity. The shadow of spiritual death lies over the whole wide world. Search as he will, he finds nothing to win the allegiance of his heart and spirit, no hope, no vision that resembles Christ's glorious pattern of the future of redeemed mankind -- till the day when there breaks upon his soul the dawning splendour of the Revelation of Bahá’u’lláh.

George Townshend, The Heart of the Gospel, p. 148

I remember particularly turning to Him apologetically as I made the personal reference to the fact that whereas other Easterners came to America exploiting its people in the name of oriental mysticism, His message bore the living imprint of self-sacrificing love.

H.M. Balyuzi, ‘Abdu’l-Bahá - The Centre of the Covenant, p. 194

This was especially difficult to accept, since Khan knew from his own experience in Chicago that Asadu'llah had been a cause of division among the believers by promulgating his brand of cloudy mysticism instead of adhering to the Bahá’í Teachings.

Marzieh Gail, Arches of the Years, p. 112