The article discusses the controversy in lighting a Sabbath candle in Judaism. It outlines two ways of lighting a Sabbath candle, and explores the time of Rav Sherira and Rav Hai in 11th century wherein lighting a candle is a obligation. It also mentions the suggestion of Hagaon HaRav Ovadia Yosef to follow Rambam's halikhic dictum concerning Sabbath candles.