... become ye sanctified above and purified from this world and the inhabitants thereof; suffer your intention to become for the good of all; cut your attachment to the earth and like unto the essence of the spirit become ye light and delicate. Then with a firm resolution, a pure heart, a rejoiced spirit, and an eloquent tongue, engage your time in the promulgation of the divine principles...
- ‘Abdu’l-Bahá (‘Tablets of the Divine Plan’)