31.  All things have their own regulations, paces, and laws, so we must obey to them.

32.  Second, sometimes the haste May lead a wrong behave which does not agree with the law of the things, in one world, haste makes waste .

33.  Secondly, sometimes because of too anxious , people will do something breaking it's own development law.

34.  Through the two examples we can conclude that haste makes waste, so, in order to do things well, we must carefully prepare for it and obey the law of the things.

35.  Everything has its laws.

36.  We should make laws to control the birth rate and to prevent indurstry from lay out dirty water to the lake directly.

37.  I think a piece of law should be made that the factory which let its wate-water flow into the river should be punished!

38.  On the other hand we should educate the people and let them know the behavior that make fake commodities does not permit by the law.

39.  At last, we should take advantage of the law .

40.  Firstly we should establish a good system of law.