1, learning is like sailing against the current, if you don't advance, you will retreat, and your heart will be like a plain.

2, you have a constant, why do you sleep at five o'clock in the middle of the night, the most unhelpful thing is that you are catching cold for ten days a day.

3. People who are willing to work together are not far from mountains and seas, and those who follow the rules are not close at hand.

4, all rivers run into the sea, and there is no desire to push the wall down.

5, the breeze and the bright moon are priceless, and the moon is close to the water.

6, it is not easy to think about a porridge and a meal, and it is difficult to think about things all the time.