“Xian-Dao-Gui-Sheng” means Tao deems all lives precious. Taoism is about eternal life, and believes all lives can achieve eternity. Therefore, all lives are precious and should be respected. Taoism is against killing and suicide.
“Wu-Liang-Du-Ren” means to rescue others from the destination of perish. Since all lives are precious and can reach eternity and the difference is only speed to arrive at the final goal, therefore a Taoist must try to enlighten lives around him.