Here's some quotes written by Albert Einstein.
"Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe."
"Unless Americans come to realize that they are not stronger in the world because they have the bomb but weaker because of their vulnerability to atomic attack, they are not likely to conduct their policy at Lake Success [the United Nations] or in their r elations with Russia in a spirit that furthers the arrival at an understanding."
"Only a life lived for others is a life worth while."
"The search for truth is more precious than its possession."
"We can't solve problems by using the same kind of thinking we used when we created them."
"We act as though comfort and luxury were the chief requirements of life, when all that we need to make us happy is something to be enthusiastic about."
"Problems cannot be solved at the same level of awareness that created them."
"When asked how World War III would be fought, Einstein replied that he didn't know. But he knew how World War IV would be fought: With sticks and stones!"
"Not everything that counts can be counted, and not everything that can be counted counts."
here's the site where there's more quotes
http://www.thinkexist.com/English/Autho ... 1082_1.htm