Quote by Amos Tversky
"Happiness is not the absence of problems but the abundance of purpose."
More from Amos Tversky
"The confidence people have in their beliefs is not a reliable guide to the truth of those beliefs."
"Everybody has two jobs. Do your job, and then shut up and listen."
"Nothing in life is as important as you think it is while you are thinking about it."
"We are overconfident in our beliefs and our abilities."