why did we start saying burn the midnight oil
burn the midnight oil. Stay up late working or studying, as in The semester is almost over and we're all burning the midnight oil before exams. This expression alludes to the oil in oil lamps.
9. Candles shed tears. When burning, the wax of a candle causes little drips to form and run down the candle that look like tears running down our face. They remind us that we must shed tears over our sins, and out of compassion for others. 10. Candles are gift of the animal world. Candles are made from wax, which is the product of the labor of thousands of honeybees working together.