“Someone wished to know if it were a good custom to wear a symbol, as, for instance, a cross. He said: “You wear the cross for remembrance, it concentrates your thoughts; it has no magical power. Bahá’ís often wear a stone with the greatest name engraved on it: there is no magical influence in the stone; it is a reminder, and companion. If you are about to do some selfish or hasty action, and your glance falls on the ring on your hand, you will remember and change your intention.”
– Abdu’l-Baha, Abdu’l-Baha in London, p. 93