Taishan collapsed in front of you without blinking, and suddenly appeared in front of you without being scared, which roughly means being calm and calm.
Su Xun's Quan Shu Xin Shu. Describe calm and calm, don't panic when something happens.
Original text:
Song Su Xun's Mind Skill: "In order to teach the Tao, the mind should be treated first. Mount Tai collapses in front, but its color remains the same. Elk thrives on the left without blinking, and then it can control its interests and treat the enemy. "