有谁知道这句话出自哪里？是谁说的？？

1. “Creativity is the ability to introduce order into the randomness of nature.” - Eric Hoffer
http://www.random.org/quotations/

2. "I find life an exciting business and most exciting when it is lived for others." - Helen Keller,Ameican writer
我发现生活是令人激动的事情，尤其是为别人活着时。 - 美国作家 海伦·凯勒
http://www.jiaoyingyu.com.cn/?thread-1824-1.html

3. You can't do anything about the length of your life, but you can do something about its width and depth. - Evan Esar
American Humorist (1899 - 1995)
http://www.quotationspage.com/quote/2670.html

希望对你有帮助。