Read it here. She describes how actual failure can galvanise you into action much better than fear of failure, which is just a brake on action or an excuse.
Plus a plug for Amnesty International where she used to work, and a criticism which goes right to the heart of US isolationism: lack of imagination about the lives of the rest of the world. In Britain it used be "I'm all right, Jack" with the implication that the rest of you don't matter.
And perhaps an inadvertent recommendation for not doing something too "useful" at university: she did classics.