“To build a better world we need to replace the patchwork of lucky breaks and arbitrary advantages today that determine success--the fortunate birth dates and the happy accidents of history--with a society that provides opportunities for all.”

“Poverty is the absence of all human rights. The frustrations, hostility and anger generated by abject poverty cannot sustain peace in any society. For building stable peace we must find ways to provide opportunities for people to live decent lives.”

“Superstar lawyers and math whizzes and software entrepreneurs appear at first blush to lie outside ordinary experience. But they don't. They are products of history and community, of opportunity and legacy. Their success is not exceptional or mysterious. It is grounded in a web of advantages and inheritances, some deserved, some not, some earned, some just plain lucky--but all critical to making them who they are. The outlier, in the end, is not an outlier at all.”

“For anyone inclined to caricature environmental history as 'environmental determinism,' the contrasting histories of the Dominican Republic and Haiti provide a useful antidote. Yes, environmental problems do constrain human societies, but the societies' responses also make a difference.”

“Morality, then, is not a set of arbitrary regulations dictated by a vengeful deity and written down in a book; nor is it the custom of a particular culture or tribe. It is a consequence of the interchangeability of perspectives and the opportunity the world provides for positive-sum games.”

“For the Stoics, then, our judgments about the world are all that we can control, but also all that we need to control in order to be happy; tranquility results from replacing our irrational judgments with rational ones”