Mine has been a long journey, a lifetime journey to Oslo. It was shaped by the values of my parents and by my two grandmothers – indigenous Liberians, farmers and market traders – neither of whom could read or write. They taught me that only through service is one's life truly blessed.

Oh, my granddad was ahead of his time. He was always in favor of education. My dad and mother were too, but Granddad was very aggressive in that. You know, as he used to say, “You’ve got to fill your head with new ideas so you can use them later to improve your own status and that of the neighborhood.”

I thought often during my years in the White House of an admonition that we received in our small school in Plains, Georgia, from a beloved teacher, Miss Julia Coleman. She often said: "We must adjust to changing times and still hold to unchanging principles."

[My father] used to say all the time, “You’re in a struggle, but if you get in a fight and lose your temper, you’ll lose the fight. So don’t get mad, get smart.”

you have got to be totally honest and give advice and analysis that you’re asked to give that’s based on evidence. And if the analysis that you come to comes to a conclusion that a president might not like to hear that, you can’t be afraid of saying, “Mr. President, with all due respect, this is the way I think the situation is.”