《韩非子·难四》
所以将见君主的人会梦见太阳，是灶的话，一人对着灶门烤火，后面的人就无法看见火光了。
故将见人主而梦日也。夫灶，一人炀焉，则后人无从见矣。
Therefore, those who are going to meet the monarch will dream of the sun. If it is a stove, one person facing the stove to roast the fire will make the people behind unable to see the fire.