“When widely followed public figures feel free to say anything, without any fact-checking, it becomes impossible for a democracy to think intelligently about big issues.”

“ No policy is sustainable without a public that broadly understands why it's necessary and sees the world the way you do...”

“Almost all the students who make it to Caltech, one of the best scientific universities in the world, come from public schools. So it can be done.”

“No one has expressed what is needed better than Abdel Rahman al-Rashed, the general manager of the London-based al-Arabiya news channel. One of the best-known and most respected Arab journalists working today, he wrote the following, in Al-Sharq Al-Awsat (September 6, 2004), after a series of violent incidents involving Muslim extremist groups from Chechnya to Saudi Arabia to Iraq: "Self-cure starts with self-realization and confession. We should then run after our terrorist sons, in the full knowledge that they are the sour grapes of a deformed culture... The mosque used to be a haven, and the voice of religion used to be that of peace and reconciliation. Religious sermons were warm behests for a moral order and an ethical life. Then came the neo-Muslims. An innocent and benevolent religion, whose verses prohibit the felling of trees in the absence of urgent necessity, that calls murder the most heinous of crimes, that says explicitly that if you kill one person you have killed humanity as a whole, has been turned into a global message of hate and a universal war cry... We cannot clear our names unless we own up to the shameful fact that terrorism has become an Islamic enterprise; an almost exclusive monopoly, implemented by Muslim men and women. We cannot redeem our extremist youth, who commit all these heinous crimes, without confronting the Sheikhs who thought it ennobling to reinvent themselves as revolutionary ideologues, sending other people's sons and daughters to certain death, while sending their own children to European and American schools and colleges.”

“At the end of the day, no amount of investing, no amount of clean electrons, no amount of energy efficiency will save the natural world if we are not paying attention to it - if we are not paying attention to all the things that nature give us for free: clean air, clean water, breathtaking vistas, mountains for skiing, rivers for fishing, oceans for sailing, sunsets for poets, and landscapes for painters. What good is it to have wind-powered lights to brighten the night if you can't see anything green during the day? Just because we can't sell shares in nature doesn't mean it has no value.”

“The ideal country in a flat world is the one with no natural resources, because countries with no natural resources tend to dig inside themselves. They try to tap the energy, entrepreneurship, creativity, and intelligence of their own people-men and women-rather than drill an oil well.”

“Communism was a great system for making people equally poor - in fact, there was no better system in the world for that than communism. Capitalism made people unequally rich.”