天地间一切奥秘无不取决于接触的技巧。接触产生了世界，创造出宇宙间的万千气象——风雨交加，雷鸣电闪，山呼海啸，陨石飞落，无一不是大自然家庭成员中相互接触的结果。不接触就没有火，没有光，没有水，世界也不会有运动和变化。火车的价值要依赖车轮和铁轨的接触，汽车的 All the mysteries of heaven and earth are all dependent on the contact skills. Contacts have created the world and created thousands of meteorological phenomena in the universe - all over the world, with all the rage of wind and rain, the thunder and lightning, the tsunami of mountains and the falling of meteorites. Both are the result of mutual contact among nature’s family members. There is no fire without light, no light, no water, no movement or change in the world. The value of the train depends on the wheel and rail contact, the car’s