Had not this water just now illustrated to me the principle of gung fu? I struck it but it did not suffer hurt. Again, I struck it with all my might—yet it was not wounded! I then tried to grasp a handful of it but this proved impossible. This water, the softest substance in the world, which could be contained in the smallest jar, only seemed weak. In reality, it could penetrate the hardest substances in the world. That was it! I wanted to be like the nature of water.