41.  It can prove that the living conditions of the developing countries is getting better.

42.  This is because that is proved in our real life.

43.  This truth is proved by many examples in our lifes .

44.  "Haste makes waste", it is a truth has been proved for many years .

45.  They like to work hard so as to prove their exeist .

46.  They think it is a adventurous for them to change jobs, also change jobs can prove their abilities, through the way whether they can achieve much in every job .

47.  But as we all know, someone likes changing his job constantly because this job hasn't enough salary to support his family, or because he wants to challenge the life and proves his abilities, even because he thinks he can know which job is most fit for him by doing this.

48.  Above two examples have been proved that "haste makes waste".

49.  There are many examples to prove it .

50.  It means you will proved to be much ado about nothing if you want to succeed directly.