Candles are important religious symbols. We kindle Shabbat lights on Friday evening and the multiple wick havdalah candle on Saturday evening. We light candles to mark the beginning of our holidays: on Rosh Hashanah, Yom Kippur, Sukkot, Pesah and Shavuot. We light the menorah on each of the nights of Hanukkah. At each of these occasions we sanctify these holy days by reciting a blessing: “Blessed are You Adonai our God Ruler of the universe, who sanctifies us with mitzvot and commands us to kindle the lights of…” We elevate the day, we set it apart and call it holy by the lighting of candles and the reciting of these words. It is possible that our tradition mandated this candle lighting long ago at the approach of evening in order to illuminate the dark night. How else could we continue to enjoy the company of friends on Shabbat evening prior to the development of artificial illumination? And thus it is the blessing that sanctifies the day rather than the candle lighting. And
"From the place where we are right flowers will never grow in the spring." Yehuda Amichai