"If there was an observer on Mars, they would probably be amazed that we have survived this long."

"Debt is a trap, especially student debt, which is enormous, far larger than credit card debt. It's a trap for the rest of your life because the laws are designed so that you can't get out of it. If a business, say, gets in too much debt, it can declare bankruptcy, but individuals can almost never be relieved of student debt through bankruptcy."

"In the US, there is basically one party - the business party. It has two factions, called Democrats and Republicans, which are somewhat different but carry out variations on the same policies. By and large, I am opposed to those policies. As is most of the population."

"If you are giving a graduate course you don't try to impress the students with oratory, you try to challenge them, get them to question you."

"Well, one of the most important things for Americans to be reminded of is that a lot of the exceptional nature of our country is founded in Judeo-Christian values that promotes individualism, personal responsibility, a strong work ethic, and a commitment to family, charity."

"For decades, the men at Area 51 thought they'd take their secrets to the grave. At the height of the Cold War, they cultivated anonymity while pursuing some of the country's most covert projects. Conspiracy theories were left to popular imagination."

"When a nation is over-reliant on one or two commodities like oil or precious minerals, corrupt government ministers and their dodgy associates hoard profits and taxes instead of properly allocating them to schools and hospitals."

"We believe a renewed commitment to limited government will unshackle our economy and create millions of new jobs and opportunities for all people, of every background, to succeed and prosper. Under this approach, the spirit of initiative - not political clout - determines who succeeds."