Opportunities are useless without careful preparation in advance. In the field of observation, opportunities only favor those who are prepared. God only gives freedom to those who love it and are prepared to defend it. A person will encounter many opportunities in his life, but opportunities only favor a prepared mind. It is better to prepare for a rainy day than to dig a well when you are thirsty. If you are mentally prepared, all preparations have been completed. Society is like a ship, and everyone should be ready to steer. If you are prepared, you will be in danger. The foot is not strong, the trace is not far, the front is not sharp, and the cut is not deep. If you have a lot of foam, your face is shaved in half. If I knew before, I wouldn't be afraid. And Xu's photos. We will build like 100 won't fight, and prepare like we will fight tomorrow. Everything is established in advance, and it is abolished if it is not foreseen.