釋義比喻師父傳業于弟子,一代代地傳下去。出處《莊子·養生主》:“指窮于為薪,火傳也,不知其盡也。”成玄英疏:“窮,盡也。薪,柴樵也。為,前也。言人然火用手前之能盡然火之理者,前薪雖盡,後薪以續,前後相繼,故火不滅也。”英文as one piece of fuel is consumed, the flame passes to another