Janaka & Sukadeva

A story oft-related in India tells of the spiritual test given by the great saint, King Janaka, to his would-be disciple, Sukadeva. To test the young devotee before accepting him for spiritual training, Janaka required Sukadeva to tour the royal palace while carrying in the palm of his hand an oil lamp filled to the brim. The condition of passing the test was that sukadeva was to observe minutely (and subsequently report to the king) every item and detail in each palatial room, without spilling one drop of oil from the brimful lamp. The meaning of the test is that the spiritual aspirant must learn to keep his attention centered in Cod, not allowing his thoughts to wander from Him for a moment, lest the oil of divine communion be spilled, while at the same time he performs accurately to the last detail his duties in the world,

-Man's Eternal Quest, Paramahansa Yogananda
http://worldtracker.org/media/library/Metaphysics%20&%20Spirituality/Paramahansa%20Yogananda%20MAN'S%20ETERNAL%20QUEST.pdf