This sentence quoted by Li Ka-shing can also be explained by the so-called abuse. Those who are afraid of difficulties see challenges, and those who are enterprising find opportunities. Thinking about this topic with wisdom can be cited from many aspects. First, this sentence has a premise. The premise is that the background is a valley, and the valley is a place to store rocks and springs. When you take a stone, you must think of water, which is more stupid than seeing a stone. Second, seeing Shijian Spring is a * * * rescue, because rocks and springs are influenced by gravity and have underground characteristics, but the rocks do not move, and the springs move. Starting from the characteristics of the underground, we must go to the grassroots to find problems and opportunities. Third, where do stones and springs come from, and the mountains on both sides? What are the names of the mountains on both sides in reality? We can discuss why stones are stones and springs are springs. On the contrary, the stone springs in the valley can promote the attributes of mountains. Fourth, whether you want to see rocks or springs is a purposeful question. The goal is not right, or a fool sees a spring and a wise man sees a stone. Because stones are diamonds, and spring is evil spring. All this,